% %ȉ̕RgƂ̂łC_ł͂܂ł܂B
% ̃^Cg
[Title]
y=ax^21֐Ɛ}`Z

% 蕶
% Ȃ΁C[Level1]ɏ̂̂܂ܖ蕶ƂȂB
[Problem]
̃OtĖ₢ɓB

% tHg̑傫B1`10C܂TeX̃R}hw肷B
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% vAuɒǉpbP[Wt@Cw肷B
[usepackage]
\usepackage{amssymb,amsmath,emathP,emathPg}

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% ꂼ̖𓚂$\displaystyle $tȂꍇ́COFF܂0
% up̕ҏWv|u[U[ݒv̉ɂݒ
% @@@@@@@@@@@@@@@@@ꍇɎw肵ĂB
% LqȂ΁Cup̕ҏWv|u[U[ݒv
% @@@@@@@@@@@@@@@@@@@ɂݒ肪D悳܂B
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% Level1̖BȉLevel7܂œlB
% 1sڂɂ͏ڍאݒ̃^CgB
% 2sڈȍ~ɖƂ̉𓚂B
% Ɖ𓚁C𓚂Ɩ͂PsďB
% vZߒꍇ́CƉ𓚂̊ԂɂPsԊuC
% ŏprocessƂsC̎̍svZߒĂB
[Level1]
y=ax^2y=bx+cŁA_A,B߂B


̐}̂悤ɁA֐$y=x^2$$y=x+2$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(2,4),_B(-1,1)$

̐}̂悤ɁA֐$y=x^2$$y=x+6$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(3,9),_B(-2,4)$

̐}̂悤ɁA֐$y=x^2$$y=2x+8$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(4,16),_B(-2,4)$

̐}̂悤ɁA֐$y=x^2$$y=4x+12$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(6,36),_B(-2,4)$

̐}̂悤ɁA֐$y=x^2$$y=x+12$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(4,16),_B(-3,9)$

̐}̂悤ɁA֐$y=x^2$$y=3x+18$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(6,36),_B(-3,9)$

̐}̂悤ɁA֐$y=x^2$$y=x+20$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(5,25),_B(-4,16)$

̐}̂悤ɁA֐$y=x^2$$y=2x+24$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(6,36),_B(-4,16)$

̐}̂悤ɁA֐$y=2x^2$$y=2x+4$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(2,8),_B(-1,2)$

̐}̂悤ɁA֐$y=2x^2$$y=2x+12$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(3,18),_B(-2,8)$

̐}̂悤ɁA֐$y=2x^2$$y=4x+16$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(4,32),_B(-2,8)$

̐}̂悤ɁA֐$y=2x^2$$y=8x+24$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(6,72),_B(-2,8)$

̐}̂悤ɁA֐$y=2x^2$$y=2x+24$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(4,32),_B(-3,18)$

̐}̂悤ɁA֐$y=2x^2$$y=6x+36$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(6,72),_B(-3,18)$

̐}̂悤ɁA֐$y=2x^2$$y=2x+40$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(5,50),_B(-4,32)$

̐}̂悤ɁA֐$y=2x^2$$y=4x+48$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(6,72),_B(-4,32)$

̐}̂悤ɁA֐$y=3x^2$$y=3x+6$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(2,12),_B(-1,3)$

̐}̂悤ɁA֐$y=3x^2$$y=3x+18$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(3,27),_B(-2,12)$

̐}̂悤ɁA֐$y=3x^2$$y=6x+24$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(4,48),_B(-2,12)$

̐}̂悤ɁA֐$y=3x^2$$y=12x+36$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(6,108),_B(-2,12)$

̐}̂悤ɁA֐$y=3x^2$$y=3x+36$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(4,48),_B(-3,27)$

̐}̂悤ɁA֐$y=3x^2$$y=9x+54$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(6,108),_B(-3,27)$

̐}̂悤ɁA֐$y=3x^2$$y=3x+60$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(5,75),_B(-4,48)$

̐}̂悤ɁA֐$y=3x^2$$y=6x+72$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(6,108),_B(-4,48)$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+1$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(2,2),_B(-1,\nfrac{1}{2})$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+3$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(3,\nfrac{9}{2}),_B(-2,2)$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=x+4$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(4,8),_B(-2,2)$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=2x+6$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(6,18),_B(-2,2)$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+6$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(4,8),_B(-3,\nfrac{9}{2})$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{3}{2}x+9$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(6,18),_B(-3,\nfrac{9}{2})$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+10$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(5,\nfrac{25}{2}),_B(-4,8)$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=x+12$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(6,18),_B(-4,8)$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{1}{3}x+2$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(3,3),_B(-2,\nfrac{4}{3})$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{4}{3}x+4$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(6,12),_B(-2,\nfrac{4}{3})$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{1}{3}x+4$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(4,\nfrac{16}{3}),_B(-3,3)$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=x+6$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(6,12),_B(-3,3)$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{2}{3}x+8$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(6,12),_B(-4,\nfrac{16}{3})$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{2}x+2$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(4,4),_B(-2,1)$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=x+3$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(6,9),_B(-2,1)$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{4}x+3$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(4,4),_B(-3,\nfrac{9}{4})$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{4}x+5$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(5,\nfrac{25}{4}),_B(-4,4)$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{2}x+6$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(6,9),_B(-4,4)$

̐}̂悤ɁA֐$y=x^2$$y=-x+2$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-2,4),_B(1,1)$

̐}̂悤ɁA֐$y=x^2$$y=-x+6$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-3,9),_B(2,4)$

̐}̂悤ɁA֐$y=x^2$$y=-2x+8$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-4,16),_B(2,4)$

̐}̂悤ɁA֐$y=x^2$$y=-4x+12$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-6,36),_B(2,4)$

̐}̂悤ɁA֐$y=x^2$$y=-x+12$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-4,16),_B(3,9)$

̐}̂悤ɁA֐$y=x^2$$y=-3x+18$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-6,36),_B(3,9)$

̐}̂悤ɁA֐$y=x^2$$y=-x+20$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-5,25),_B(4,16)$

̐}̂悤ɁA֐$y=x^2$$y=-2x+24$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-6,36),_B(4,16)$

̐}̂悤ɁA֐$y=2x^2$$y=-2x+4$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-2,8),_B(1,2)$

̐}̂悤ɁA֐$y=2x^2$$y=-2x+12$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-3,18),_B(2,8)$

̐}̂悤ɁA֐$y=2x^2$$y=-4x+16$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-4,32),_B(2,8)$

̐}̂悤ɁA֐$y=2x^2$$y=-8x+24$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-6,72),_B(2,8)$

̐}̂悤ɁA֐$y=2x^2$$y=-2x+24$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-4,32),_B(3,18)$

̐}̂悤ɁA֐$y=2x^2$$y=-6x+36$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-6,72),_B(3,18)$

̐}̂悤ɁA֐$y=2x^2$$y=-2x+40$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-5,50),_B(4,32)$

̐}̂悤ɁA֐$y=2x^2$$y=-4x+48$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-6,72),_B(4,32)$

̐}̂悤ɁA֐$y=3x^2$$y=-3x+6$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-2,12),_B(1,3)$

̐}̂悤ɁA֐$y=3x^2$$y=-3x+18$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-3,27),_B(2,12)$

̐}̂悤ɁA֐$y=3x^2$$y=-6x+24$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-4,48),_B(2,12)$

̐}̂悤ɁA֐$y=3x^2$$y=-12x+36$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-6,108),_B(2,12)$

̐}̂悤ɁA֐$y=3x^2$$y=-3x+36$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-4,48),_B(3,27)$

̐}̂悤ɁA֐$y=3x^2$$y=-9x+54$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-6,108),_B(3,27)$

̐}̂悤ɁA֐$y=3x^2$$y=-3x+60$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-5,75),_B(4,48)$

̐}̂悤ɁA֐$y=3x^2$$y=-6x+72$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-6,108),_B(4,48)$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+1$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-2,2),_B(1,\nfrac{1}{2})$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+3$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-3,\nfrac{9}{2}),_B(2,2)$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-x+4$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-4,8),_B(2,2)$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-2x+6$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-6,18),_B(2,2)$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+6$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-4,8),_B(3,\nfrac{9}{2})$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{3}{2}x+9$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-6,18),_B(3,\nfrac{9}{2})$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+10$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-5,\nfrac{25}{2}),_B(4,8)$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-x+12$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-6,18),_B(4,8)$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{1}{3}x+2$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-3,3),_B(2,\nfrac{4}{3})$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{4}{3}x+4$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-6,12),_B(2,\nfrac{4}{3})$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{1}{3}x+4$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-4,\nfrac{16}{3}),_B(3,3)$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-x+6$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-6,12),_B(3,3)$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{2}{3}x+8$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-6,12),_B(4,\nfrac{16}{3})$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{2}x+2$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-4,4),_B(2,1)$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-x+3$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-6,9),_B(2,1)$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{4}x+3$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-4,4),_B(3,\nfrac{9}{4})$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{4}x+5$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-5,\nfrac{25}{4}),_B(4,4)$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{2}x+6$̃OtB_$A,B$̍W߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$_A(-6,9),_B(4,4)$




[Level2]
y=ax^2Ɠ_Ax,BxŁAy=bx+cB

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$2A-1$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x+2$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$3A-2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x+6$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$4A-2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x+8$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$6A-2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=4x+12$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$4A-3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x+12$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$6A-3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x+18$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$5A-4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x+20$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$6A-4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x+24$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$2A-1$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x+4$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$3A-2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x+12$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$4A-2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=4x+16$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$6A-2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=8x+24$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$4A-3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x+24$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$6A-3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=6x+36$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$5A-4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x+40$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$6A-4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=4x+48$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$2A-1$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x+6$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$3A-2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x+18$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$4A-2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=6x+24$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$6A-2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=12x+36$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$4A-3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x+36$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$6A-3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=9x+54$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$5A-4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x+60$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$6A-4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=6x+72$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$2A-1$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{1}{2}x+1$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$3A-2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{1}{2}x+3$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$4A-2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x+4$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$6A-2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x+6$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$4A-3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{1}{2}x+6$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$6A-3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{3}{2}x+9$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$5A-4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{1}{2}x+10$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$6A-4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x+12$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$3A-2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{1}{3}x+2$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$6A-2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{4}{3}x+4$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$4A-3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{1}{3}x+4$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$6A-3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x+6$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$6A-4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{2}{3}x+8$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$4A-2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{1}{2}x+2$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$6A-2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x+3$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$4A-3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{1}{4}x+3$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$5A-4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{1}{4}x+5$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$6A-4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{1}{2}x+6$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$-2A1$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-x+2$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$-3A2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-x+6$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$-4A2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-2x+8$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$-6A2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-4x+12$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$-4A3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-x+12$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$-6A3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-3x+18$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$-5A4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-x+20$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$-6A4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-2x+24$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$-2A1$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-2x+4$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$-3A2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-2x+12$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$-4A2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-4x+16$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$-6A2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-8x+24$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$-4A3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-2x+24$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$-6A3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-6x+36$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$-5A4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-2x+40$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$-6A4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-4x+48$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$-2A1$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-3x+6$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$-3A2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-3x+18$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$-4A2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-6x+24$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$-6A2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-12x+36$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$-4A3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-3x+36$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$-6A3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-9x+54$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$-5A4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-3x+60$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$-6A4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-6x+72$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$-2A1$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{1}{2}x+1$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$-3A2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{1}{2}x+3$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$-4A2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-x+4$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$-6A2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-2x+6$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$-4A3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{1}{2}x+6$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$-6A3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{3}{2}x+9$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$-5A4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{1}{2}x+10$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$-6A4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-x+12$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$-3A2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{1}{3}x+2$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$-6A2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{4}{3}x+4$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$-4A3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{1}{3}x+4$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$-6A3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-x+6$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$-6A4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{2}{3}x+8$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$-4A2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{1}{2}x+2$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$-6A2$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-x+3$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$-4A3$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{1}{4}x+3$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$-5A4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{1}{4}x+5$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$-6A4$ł_$A,B$B2_$A,B$ʂ钼̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{1}{2}x+6$





[Level3]
_AƓ_BxŁAy=ax^2y=bx+c

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,4)ŁA_BxW-1$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x^2$A$y=x+2$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,9)ŁA_BxW-2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x^2$A$y=x+6$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,16)ŁA_BxW-2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x^2$A$y=2x+8$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,36)ŁA_BxW-2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x^2$A$y=4x+12$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,16)ŁA_BxW-3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x^2$A$y=x+12$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,36)ŁA_BxW-3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x^2$A$y=3x+18$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,25)ŁA_BxW-4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x^2$A$y=x+20$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,36)ŁA_BxW-4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x^2$A$y=2x+24$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,8)ŁA_BxW-1$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x^2$A$y=2x+4$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,18)ŁA_BxW-2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x^2$A$y=2x+12$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,32)ŁA_BxW-2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x^2$A$y=4x+16$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,72)ŁA_BxW-2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x^2$A$y=8x+24$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,32)ŁA_BxW-3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x^2$A$y=2x+24$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,72)ŁA_BxW-3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x^2$A$y=6x+36$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,50)ŁA_BxW-4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x^2$A$y=2x+40$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,72)ŁA_BxW-4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x^2$A$y=4x+48$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,12)ŁA_BxW-1$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x^2$A$y=3x+6$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,27)ŁA_BxW-2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x^2$A$y=3x+18$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,48)ŁA_BxW-2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x^2$A$y=6x+24$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,108)ŁA_BxW-2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x^2$A$y=12x+36$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,48)ŁA_BxW-3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x^2$A$y=3x+36$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,108)ŁA_BxW-3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x^2$A$y=9x+54$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,75)ŁA_BxW-4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x^2$A$y=3x+60$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,108)ŁA_BxW-4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x^2$A$y=6x+72$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,2)ŁA_BxW-1$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac12 x^2$A$y=\nfrac{1}{2}x+1$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,\nfrac{9}{2})ŁA_BxW-2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac12 x^2$A$y=\nfrac{1}{2}x+3$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,8)ŁA_BxW-2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac12 x^2$A$y=x+4$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,18)ŁA_BxW-2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac12 x^2$A$y=2x+6$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,8)ŁA_BxW-3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac12 x^2$A$y=\nfrac{1}{2}x+6$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,18)ŁA_BxW-3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac12 x^2$A$y=\nfrac{3}{2}x+9$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,\nfrac{25}{2})ŁA_BxW-4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac12 x^2$A$y=\nfrac{1}{2}x+10$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,18)ŁA_BxW-4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac12 x^2$A$y=x+12$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,3)ŁA_BxW-2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac13 x^2$A$y=\nfrac{1}{3}x+2$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,12)ŁA_BxW-2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac13 x^2$A$y=\nfrac{4}{3}x+4$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,\nfrac{16}{3})ŁA_BxW-3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac13 x^2$A$y=\nfrac{1}{3}x+4$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,12)ŁA_BxW-3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac13 x^2$A$y=x+6$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,12)ŁA_BxW-4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac13 x^2$A$y=\nfrac{2}{3}x+8$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,4)ŁA_BxW-2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac14 x^2$A$y=\nfrac{1}{2}x+2$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,9)ŁA_BxW-2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac14 x^2$A$y=x+3$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,4)ŁA_BxW-3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac14 x^2$A$y=\nfrac{1}{4}x+3$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,\nfrac{25}{4})ŁA_BxW-4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac14 x^2$A$y=\nfrac{1}{4}x+5$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,9)ŁA_BxW-4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac14 x^2$A$y=\nfrac{1}{2}x+6$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,4)ŁA_BxW1$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x^2$A$y=-x+2$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,9)ŁA_BxW2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x^2$A$y=-x+6$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,16)ŁA_BxW2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x^2$A$y=-2x+8$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,36)ŁA_BxW2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x^2$A$y=-4x+12$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,16)ŁA_BxW3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x^2$A$y=-x+12$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,36)ŁA_BxW3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x^2$A$y=-3x+18$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,25)ŁA_BxW4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x^2$A$y=-x+20$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,36)ŁA_BxW4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=x^2$A$y=-2x+24$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,8)ŁA_BxW1$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x^2$A$y=-2x+4$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,18)ŁA_BxW2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x^2$A$y=-2x+12$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,32)ŁA_BxW2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x^2$A$y=-4x+16$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,72)ŁA_BxW2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x^2$A$y=-8x+24$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,32)ŁA_BxW3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x^2$A$y=-2x+24$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,72)ŁA_BxW3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x^2$A$y=-6x+36$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,50)ŁA_BxW4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x^2$A$y=-2x+40$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,72)ŁA_BxW4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=2x^2$A$y=-4x+48$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,12)ŁA_BxW1$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x^2$A$y=-3x+6$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,27)ŁA_BxW2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x^2$A$y=-3x+18$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,48)ŁA_BxW2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x^2$A$y=-6x+24$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,108)ŁA_BxW2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x^2$A$y=-12x+36$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,48)ŁA_BxW3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x^2$A$y=-3x+36$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,108)ŁA_BxW3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x^2$A$y=-9x+54$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,75)ŁA_BxW4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x^2$A$y=-3x+60$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,108)ŁA_BxW4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=3x^2$A$y=-6x+72$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,2)ŁA_BxW1$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac12 x^2$A$y=-\nfrac{1}{2}x+1$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,\nfrac{9}{2})ŁA_BxW2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac12 x^2$A$y=-\nfrac{1}{2}x+3$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,8)ŁA_BxW2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac12 x^2$A$y=-x+4$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,18)ŁA_BxW2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac12 x^2$A$y=-2x+6$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,8)ŁA_BxW3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac12 x^2$A$y=-\nfrac{1}{2}x+6$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,18)ŁA_BxW3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac12 x^2$A$y=-\nfrac{3}{2}x+9$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,\nfrac{25}{2})ŁA_BxW4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac12 x^2$A$y=-\nfrac{1}{2}x+10$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,18)ŁA_BxW4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac12 x^2$A$y=-x+12$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,3)ŁA_BxW2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac13 x^2$A$y=-\nfrac{1}{3}x+2$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,12)ŁA_BxW2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac13 x^2$A$y=-\nfrac{4}{3}x+4$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,\nfrac{16}{3})ŁA_BxW3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac13 x^2$A$y=-\nfrac{1}{3}x+4$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,12)ŁA_BxW3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac13 x^2$A$y=-x+6$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,12)ŁA_BxW4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac13 x^2$A$y=-\nfrac{2}{3}x+8$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,4)ŁA_BxW2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac14 x^2$A$y=-\nfrac{1}{2}x+2$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,9)ŁA_BxW2$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac14 x^2$A$y=-x+3$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,4)ŁA_BxW3$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac14 x^2$A$y=-\nfrac{1}{4}x+3$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,\nfrac{25}{4})ŁA_BxW4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac14 x^2$A$y=-\nfrac{1}{4}x+5$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,9)ŁA_BxW4$łB$y=ax^2$1֐̎߂ȂB\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac14 x^2$A$y=-\nfrac{1}{2}x+6$




[Level4]
OAB̖ʐς߂

̐}̂悤ɁA֐$y=x^2$$y=x+2$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3

̐}̂悤ɁA֐$y=x^2$$y=x+6$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

15

̐}̂悤ɁA֐$y=x^2$$y=2x+8$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

24

̐}̂悤ɁA֐$y=x^2$$y=4x+12$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

48

̐}̂悤ɁA֐$y=x^2$$y=x+12$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

42

̐}̂悤ɁA֐$y=x^2$$y=3x+18$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

81

̐}̂悤ɁA֐$y=x^2$$y=x+20$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

90

̐}̂悤ɁA֐$y=x^2$$y=2x+24$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

120

̐}̂悤ɁA֐$y=2x^2$$y=2x+4$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

6

̐}̂悤ɁA֐$y=2x^2$$y=2x+12$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

30

̐}̂悤ɁA֐$y=2x^2$$y=4x+16$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

48

̐}̂悤ɁA֐$y=2x^2$$y=8x+24$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

96

̐}̂悤ɁA֐$y=2x^2$$y=2x+24$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

84

̐}̂悤ɁA֐$y=2x^2$$y=6x+36$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

162

̐}̂悤ɁA֐$y=2x^2$$y=2x+40$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

180

̐}̂悤ɁA֐$y=2x^2$$y=4x+48$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

240

̐}̂悤ɁA֐$y=3x^2$$y=3x+6$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9

̐}̂悤ɁA֐$y=3x^2$$y=3x+18$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

45

̐}̂悤ɁA֐$y=3x^2$$y=6x+24$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

72

̐}̂悤ɁA֐$y=3x^2$$y=12x+36$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

144

̐}̂悤ɁA֐$y=3x^2$$y=3x+36$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

126

̐}̂悤ɁA֐$y=3x^2$$y=9x+54$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

243

̐}̂悤ɁA֐$y=3x^2$$y=3x+60$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

270

̐}̂悤ɁA֐$y=3x^2$$y=6x+72$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

360

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+1$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{3}{2}$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+3$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{15}{2}$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=x+4$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

12

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=2x+6$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

24

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+6$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

21

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{3}{2}x+9$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{81}{2}$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+10$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

45

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=x+12$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

60

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{1}{3}x+2$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{4}{3}x+4$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

16

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{1}{3}x+4$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

14

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=x+6$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

27

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{2}{3}x+8$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

40

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{2}x+2$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

6

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=x+3$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

12

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{4}x+3$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{21}{2}$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{4}x+5$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{45}{2}$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{2}x+6$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

30

̐}̂悤ɁA֐$y=x^2$$y=-x+2$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3

̐}̂悤ɁA֐$y=x^2$$y=-x+6$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

15

̐}̂悤ɁA֐$y=x^2$$y=-2x+8$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

24

̐}̂悤ɁA֐$y=x^2$$y=-4x+12$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

48

̐}̂悤ɁA֐$y=x^2$$y=-x+12$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

42

̐}̂悤ɁA֐$y=x^2$$y=-3x+18$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

81

̐}̂悤ɁA֐$y=x^2$$y=-x+20$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

90

̐}̂悤ɁA֐$y=x^2$$y=-2x+24$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

120

̐}̂悤ɁA֐$y=2x^2$$y=-2x+4$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

6

̐}̂悤ɁA֐$y=2x^2$$y=-2x+12$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

30

̐}̂悤ɁA֐$y=2x^2$$y=-4x+16$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

48

̐}̂悤ɁA֐$y=2x^2$$y=-8x+24$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

96

̐}̂悤ɁA֐$y=2x^2$$y=-2x+24$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

84

̐}̂悤ɁA֐$y=2x^2$$y=-6x+36$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

162

̐}̂悤ɁA֐$y=2x^2$$y=-2x+40$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

180

̐}̂悤ɁA֐$y=2x^2$$y=-4x+48$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

240

̐}̂悤ɁA֐$y=3x^2$$y=-3x+6$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9

̐}̂悤ɁA֐$y=3x^2$$y=-3x+18$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

45

̐}̂悤ɁA֐$y=3x^2$$y=-6x+24$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

72

̐}̂悤ɁA֐$y=3x^2$$y=-12x+36$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

144

̐}̂悤ɁA֐$y=3x^2$$y=-3x+36$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

126

̐}̂悤ɁA֐$y=3x^2$$y=-9x+54$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

243

̐}̂悤ɁA֐$y=3x^2$$y=-3x+60$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

270

̐}̂悤ɁA֐$y=3x^2$$y=-6x+72$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

360

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+1$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{3}{2}$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+3$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{15}{2}$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-x+4$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

12

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-2x+6$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

24

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+6$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

21

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{3}{2}x+9$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{81}{2}$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+10$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

45

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-x+12$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

60

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{1}{3}x+2$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{4}{3}x+4$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

16

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{1}{3}x+4$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

14

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-x+6$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

27

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{2}{3}x+8$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

40

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{2}x+2$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

6

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-x+3$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

12

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{4}x+3$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{21}{2}$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{4}x+5$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{45}{2}$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{2}x+6$̃OtB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

30


̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$2A-1$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$3A-2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

15

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$4A-2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

24

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$6A-2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

48

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$4A-3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

42

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$6A-3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

81

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$5A-4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

90

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$6A-4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

120

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$2A-1$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

6

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$3A-2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

30

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$4A-2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

48

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$6A-2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

96

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$4A-3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

84

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$6A-3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

162

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$5A-4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

180

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$6A-4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

240

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$2A-1$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$3A-2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

45

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$4A-2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

72

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$6A-2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

144

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$4A-3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

126

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$6A-3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

243

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$5A-4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

270

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$6A-4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

360

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$2A-1$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{3}{2}$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$3A-2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{15}{2}$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$4A-2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

12

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$6A-2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

24

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$4A-3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

21

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$6A-3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{81}{2}$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$5A-4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

45

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$6A-4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

60

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$3A-2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$6A-2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

16

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$4A-3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

14

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$6A-3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

27

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$6A-4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

40

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$4A-2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

6

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$6A-2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

12

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$4A-3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{21}{2}$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$5A-4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{45}{2}$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$6A-4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

30

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$-2A1$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$-3A2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

15

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$-4A2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

24

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$-6A2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

48

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$-4A3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

42

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$-6A3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

81

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$-5A4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

90

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$W$-6A4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

120

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$-2A1$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

6

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$-3A2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

30

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$-4A2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

48

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$-6A2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

96

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$-4A3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

84

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$-6A3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

162

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$-5A4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

180

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$W$-6A4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

240

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$-2A1$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$-3A2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

45

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$-4A2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

72

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$-6A2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

144

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$-4A3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

126

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$-6A3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

243

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$-5A4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

270

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$W$-6A4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

360

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$-2A1$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{3}{2}$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$-3A2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{15}{2}$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$-4A2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

12

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$-6A2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

24

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$-4A3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

21

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$-6A3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{81}{2}$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$-5A4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

45

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$W$-6A4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

60

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$-3A2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$-6A2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

16

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$-4A3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

14

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$-6A3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

27

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$W$-6A4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

40

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$-4A2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

6

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$-6A2$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

12

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$-4A3$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{21}{2}$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$-5A4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{45}{2}$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$W$-6A4$ł_$A,B$B$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

30


̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,4)ŁA_BxW-1$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,9)ŁA_BxW-2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

15

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,16)ŁA_BxW-2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

24

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,36)ŁA_BxW-2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

48

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,16)ŁA_BxW-3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

42

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,36)ŁA_BxW-3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

81

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,25)ŁA_BxW-4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

90

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,36)ŁA_BxW-4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

120

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,8)ŁA_BxW-1$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

6

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,18)ŁA_BxW-2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

30

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,32)ŁA_BxW-2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

48

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,72)ŁA_BxW-2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

96

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,32)ŁA_BxW-3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

84

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,72)ŁA_BxW-3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

162

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,50)ŁA_BxW-4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

180

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,72)ŁA_BxW-4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

240

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,12)ŁA_BxW-1$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,27)ŁA_BxW-2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

45

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,48)ŁA_BxW-2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

72

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,108)ŁA_BxW-2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

144

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,48)ŁA_BxW-3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

126

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,108)ŁA_BxW-3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

243

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,75)ŁA_BxW-4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

270

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,108)ŁA_BxW-4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

360

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,2)ŁA_BxW-1$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{3}{2}$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,\nfrac{9}{2})ŁA_BxW-2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{15}{2}$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,8)ŁA_BxW-2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

12

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,18)ŁA_BxW-2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

24

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,8)ŁA_BxW-3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

21

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,18)ŁA_BxW-3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{81}{2}$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,\nfrac{25}{2})ŁA_BxW-4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

45

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,18)ŁA_BxW-4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

60

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,3)ŁA_BxW-2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,12)ŁA_BxW-2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

16

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,\nfrac{16}{3})ŁA_BxW-3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

14

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,12)ŁA_BxW-3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

27

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,12)ŁA_BxW-4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

40

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,4)ŁA_BxW-2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

6

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,9)ŁA_BxW-2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

12

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,4)ŁA_BxW-3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{21}{2}$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,\nfrac{25}{4})ŁA_BxW-4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{45}{2}$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,9)ŁA_BxW-4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

30

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,4)ŁA_BxW1$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,9)ŁA_BxW2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

15

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,16)ŁA_BxW2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

24

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,36)ŁA_BxW2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

48

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,16)ŁA_BxW3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

42

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,36)ŁA_BxW3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

81

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,25)ŁA_BxW4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

90

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,36)ŁA_BxW4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

120

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,8)ŁA_BxW1$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

6

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,18)ŁA_BxW2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

30

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,32)ŁA_BxW2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

48

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,72)ŁA_BxW2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

96

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,32)ŁA_BxW3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

84

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,72)ŁA_BxW3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

162

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,50)ŁA_BxW4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

180

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,72)ŁA_BxW4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

240

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,12)ŁA_BxW1$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,27)ŁA_BxW2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

45

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,48)ŁA_BxW2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

72

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,108)ŁA_BxW2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

144

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,48)ŁA_BxW3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

126

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,108)ŁA_BxW3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

243

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,75)ŁA_BxW4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

270

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,108)ŁA_BxW4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

360

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,2)ŁA_BxW1$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{3}{2}$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,\nfrac{9}{2})ŁA_BxW2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{15}{2}$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,8)ŁA_BxW2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

12

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,18)ŁA_BxW2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

24

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,8)ŁA_BxW3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

21

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,18)ŁA_BxW3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{81}{2}$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,\nfrac{25}{2})ŁA_BxW4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

45

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,18)ŁA_BxW4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

60

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,3)ŁA_BxW2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,12)ŁA_BxW2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

16

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,\nfrac{16}{3})ŁA_BxW3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

14

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,12)ŁA_BxW3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

27

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,12)ŁA_BxW4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

40

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,4)ŁA_BxW2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

6

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,9)ŁA_BxW2$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

12

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,4)ŁA_BxW3$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{21}{2}$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,\nfrac{25}{4})ŁA_BxW4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{45}{2}$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,9)ŁA_BxW4$łB$\triangle{OAB}$̖ʐς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

30






[Level5]
OBDy]]̂̑̐ς߂


̐}̂悤ɁA֐$y=x^2$$y=x+2$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{2}{3}\pi$

̐}̂悤ɁA֐$y=x^2$$y=x+6$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$8\pi$

̐}̂悤ɁA֐$y=x^2$$y=2x+8$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{32}{3}\pi$

̐}̂悤ɁA֐$y=x^2$$y=4x+12$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$16\pi$

̐}̂悤ɁA֐$y=x^2$$y=x+12$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$36\pi$

̐}̂悤ɁA֐$y=x^2$$y=3x+18$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$54\pi$

̐}̂悤ɁA֐$y=x^2$$y=x+20$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{320}{3}\pi$

̐}̂悤ɁA֐$y=x^2$$y=2x+24$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$128\pi$

̐}̂悤ɁA֐$y=2x^2$$y=2x+4$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{4}{3}\pi$

̐}̂悤ɁA֐$y=2x^2$$y=2x+12$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$16\pi$

̐}̂悤ɁA֐$y=2x^2$$y=4x+16$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{64}{3}\pi$

̐}̂悤ɁA֐$y=2x^2$$y=8x+24$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$32\pi$

̐}̂悤ɁA֐$y=2x^2$$y=2x+24$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$72\pi$

̐}̂悤ɁA֐$y=2x^2$$y=6x+36$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$108\pi$

̐}̂悤ɁA֐$y=2x^2$$y=2x+40$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{640}{3}\pi$

̐}̂悤ɁA֐$y=2x^2$$y=4x+48$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$256\pi$

̐}̂悤ɁA֐$y=3x^2$$y=3x+6$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$2\pi$

̐}̂悤ɁA֐$y=3x^2$$y=3x+18$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$24\pi$

̐}̂悤ɁA֐$y=3x^2$$y=6x+24$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$32\pi$

̐}̂悤ɁA֐$y=3x^2$$y=12x+36$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$48\pi$

̐}̂悤ɁA֐$y=3x^2$$y=3x+36$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$108\pi$

̐}̂悤ɁA֐$y=3x^2$$y=9x+54$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$162\pi$

̐}̂悤ɁA֐$y=3x^2$$y=3x+60$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$320\pi$

̐}̂悤ɁA֐$y=3x^2$$y=6x+72$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$384\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+1$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{1}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+3$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$4\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=x+4$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{16}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=2x+6$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$8\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+6$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$18\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{3}{2}x+9$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$27\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+10$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{160}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=x+12$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$64\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{1}{3}x+2$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{8}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{4}{3}x+4$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{16}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{1}{3}x+4$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$12\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=x+6$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$18\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{2}{3}x+8$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{128}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{2}x+2$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{8}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=x+3$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$4\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{4}x+3$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$9\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{4}x+5$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{80}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{2}x+6$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$32\pi$

̐}̂悤ɁA֐$y=x^2$$y=-x+2$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{2}{3}\pi$

̐}̂悤ɁA֐$y=x^2$$y=-x+6$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$8\pi$

̐}̂悤ɁA֐$y=x^2$$y=-2x+8$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{32}{3}\pi$

̐}̂悤ɁA֐$y=x^2$$y=-4x+12$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$16\pi$

̐}̂悤ɁA֐$y=x^2$$y=-x+12$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$36\pi$

̐}̂悤ɁA֐$y=x^2$$y=-3x+18$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$54\pi$

̐}̂悤ɁA֐$y=x^2$$y=-x+20$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{320}{3}\pi$

̐}̂悤ɁA֐$y=x^2$$y=-2x+24$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$128\pi$

̐}̂悤ɁA֐$y=2x^2$$y=-2x+4$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{4}{3}\pi$

̐}̂悤ɁA֐$y=2x^2$$y=-2x+12$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$16\pi$

̐}̂悤ɁA֐$y=2x^2$$y=-4x+16$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{64}{3}\pi$

̐}̂悤ɁA֐$y=2x^2$$y=-8x+24$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$32\pi$

̐}̂悤ɁA֐$y=2x^2$$y=-2x+24$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$72\pi$

̐}̂悤ɁA֐$y=2x^2$$y=-6x+36$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$108\pi$

̐}̂悤ɁA֐$y=2x^2$$y=-2x+40$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{640}{3}\pi$

̐}̂悤ɁA֐$y=2x^2$$y=-4x+48$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$256\pi$

̐}̂悤ɁA֐$y=3x^2$$y=-3x+6$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$2\pi$

̐}̂悤ɁA֐$y=3x^2$$y=-3x+18$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$24\pi$

̐}̂悤ɁA֐$y=3x^2$$y=-6x+24$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$32\pi$

̐}̂悤ɁA֐$y=3x^2$$y=-12x+36$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$48\pi$

̐}̂悤ɁA֐$y=3x^2$$y=-3x+36$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$108\pi$

̐}̂悤ɁA֐$y=3x^2$$y=-9x+54$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$162\pi$

̐}̂悤ɁA֐$y=3x^2$$y=-3x+60$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$320\pi$

̐}̂悤ɁA֐$y=3x^2$$y=-6x+72$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$384\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+1$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{1}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+3$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$4\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-x+4$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{16}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-2x+6$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$8\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+6$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$18\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{3}{2}x+9$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$27\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+10$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{160}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-x+12$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$64\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{1}{3}x+2$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{8}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{4}{3}x+4$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{16}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{1}{3}x+4$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$12\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-x+6$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$18\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{2}{3}x+8$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{128}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{2}x+2$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{8}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-x+3$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$4\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{4}x+3$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$9\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{4}x+5$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{80}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{2}x+6$̃OtB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$32\pi$


̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$2A-1$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{2}{3}\pi$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$3A-2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$8\pi$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$4A-2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{32}{3}\pi$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$6A-2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$16\pi$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$4A-3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$36\pi$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$6A-3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$54\pi$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$5A-4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{320}{3}\pi$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$6A-4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$128\pi$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$2A-1$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{4}{3}\pi$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$3A-2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$16\pi$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$4A-2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{64}{3}\pi$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$6A-2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$32\pi$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$4A-3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$72\pi$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$6A-3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$108\pi$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$5A-4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{640}{3}\pi$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$6A-4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$256\pi$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$2A-1$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$2\pi$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$3A-2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$24\pi$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$4A-2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$32\pi$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$6A-2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$48\pi$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$4A-3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$108\pi$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$6A-3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$162\pi$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$5A-4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$320\pi$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$6A-4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$384\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$2A-1$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{1}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$3A-2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$4\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$4A-2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{16}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$6A-2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$8\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$4A-3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$18\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$6A-3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$27\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$5A-4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{160}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$6A-4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$64\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$3A-2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{8}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$6A-2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{16}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$4A-3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$12\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$6A-3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$18\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$6A-4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{128}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$4A-2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{8}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$6A-2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$4\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$4A-3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$9\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$5A-4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{80}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$6A-4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$32\pi$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-2A1$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{2}{3}\pi$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-3A2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$8\pi$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-4A2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{32}{3}\pi$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-6A2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$16\pi$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-4A3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$36\pi$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-6A3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$54\pi$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-5A4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{320}{3}\pi$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-6A4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$128\pi$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-2A1$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{4}{3}\pi$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-3A2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$16\pi$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-4A2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{64}{3}\pi$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-6A2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$32\pi$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-4A3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$72\pi$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-6A3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$108\pi$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-5A4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{640}{3}\pi$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-6A4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$256\pi$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-2A1$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$2\pi$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-3A2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$24\pi$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-4A2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$32\pi$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-6A2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$48\pi$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-4A3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$108\pi$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-6A3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$162\pi$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-5A4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$320\pi$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-6A4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$384\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-2A1$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{1}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-3A2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$4\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-4A2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{16}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-6A2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$8\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-4A3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$18\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-6A3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$27\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-5A4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{160}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-6A4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$64\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$-3A2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{8}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$-6A2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{16}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$-4A3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$12\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$-6A3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$18\pi$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$-6A4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{128}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$-4A2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{8}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$-6A2$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$4\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$-4A3$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$9\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$-5A4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{80}{3}\pi$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$-6A4$ł_$A,B$B$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$32\pi$



̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,4)ŁA_BxW-1$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{2}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,9)ŁA_BxW-2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$8\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,16)ŁA_BxW-2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{32}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,36)ŁA_BxW-2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$16\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,16)ŁA_BxW-3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$36\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,36)ŁA_BxW-3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$54\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,25)ŁA_BxW-4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{320}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,36)ŁA_BxW-4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$128\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,8)ŁA_BxW-1$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{4}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,18)ŁA_BxW-2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$16\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,32)ŁA_BxW-2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{64}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,72)ŁA_BxW-2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$32\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,32)ŁA_BxW-3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$72\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,72)ŁA_BxW-3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$108\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,50)ŁA_BxW-4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{640}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,72)ŁA_BxW-4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$256\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,12)ŁA_BxW-1$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$2\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,27)ŁA_BxW-2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$24\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,48)ŁA_BxW-2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$32\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,108)ŁA_BxW-2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$48\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,48)ŁA_BxW-3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$108\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,108)ŁA_BxW-3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$162\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,75)ŁA_BxW-4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$320\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,108)ŁA_BxW-4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$384\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,2)ŁA_BxW-1$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{1}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,\nfrac{9}{2})ŁA_BxW-2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$4\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,8)ŁA_BxW-2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{16}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,18)ŁA_BxW-2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$8\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,8)ŁA_BxW-3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$18\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,18)ŁA_BxW-3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$27\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,\nfrac{25}{2})ŁA_BxW-4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{160}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,18)ŁA_BxW-4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$64\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,3)ŁA_BxW-2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{8}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,12)ŁA_BxW-2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{16}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,\nfrac{16}{3})ŁA_BxW-3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$12\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,12)ŁA_BxW-3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$18\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,12)ŁA_BxW-4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{128}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,4)ŁA_BxW-2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{8}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,9)ŁA_BxW-2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$4\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,4)ŁA_BxW-3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$9\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,\nfrac{25}{4})ŁA_BxW-4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{80}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,9)ŁA_BxW-4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$32\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,4)ŁA_BxW1$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{2}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,9)ŁA_BxW2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$8\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,16)ŁA_BxW2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{32}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,36)ŁA_BxW2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$16\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,16)ŁA_BxW3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$36\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,36)ŁA_BxW3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$54\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,25)ŁA_BxW4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{320}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,36)ŁA_BxW4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$128\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,8)ŁA_BxW1$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{4}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,18)ŁA_BxW2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$16\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,32)ŁA_BxW2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{64}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,72)ŁA_BxW2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$32\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,32)ŁA_BxW3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$72\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,72)ŁA_BxW3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$108\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,50)ŁA_BxW4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{640}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,72)ŁA_BxW4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$256\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,12)ŁA_BxW1$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$2\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,27)ŁA_BxW2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$24\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,48)ŁA_BxW2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$32\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,108)ŁA_BxW2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$48\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,48)ŁA_BxW3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$108\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,108)ŁA_BxW3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$162\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,75)ŁA_BxW4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$320\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,108)ŁA_BxW4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$384\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,2)ŁA_BxW1$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{1}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,\nfrac{9}{2})ŁA_BxW2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$4\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,8)ŁA_BxW2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{16}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,18)ŁA_BxW2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$8\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,8)ŁA_BxW3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$18\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,18)ŁA_BxW3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$27\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,\nfrac{25}{2})ŁA_BxW4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{160}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,18)ŁA_BxW4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$64\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,3)ŁA_BxW2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{8}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,12)ŁA_BxW2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{16}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,\nfrac{16}{3})ŁA_BxW3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$12\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,12)ŁA_BxW3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$18\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,12)ŁA_BxW4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{128}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,4)ŁA_BxW2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{8}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,9)ŁA_BxW2$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$4\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,4)ŁA_BxW3$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$9\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,\nfrac{25}{4})ŁA_BxW4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$\nfrac{80}{3}\pi$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,9)ŁA_BxW4$łB$\triangle{OBD}$A$y$𒆐Sɉ]Ƃ̑̐ς߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$32\pi$





[Level6]
OABFOBC̖ʐϔ߂

̐}̂悤ɁA֐$y=x^2$$y=x+2$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=x^2$$y=x+6$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=x^2$$y=2x+8$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=x^2$$y=4x+12$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=x^2$$y=x+12$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=x^2$$y=3x+18$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=x^2$$y=x+20$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=x^2$$y=2x+24$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=2x^2$$y=2x+4$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=2x^2$$y=2x+12$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=2x^2$$y=4x+16$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=2x^2$$y=8x+24$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=2x^2$$y=2x+24$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=2x^2$$y=6x+36$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=2x^2$$y=2x+40$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=2x^2$$y=4x+48$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=3x^2$$y=3x+6$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=3x^2$$y=3x+18$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=3x^2$$y=6x+24$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=3x^2$$y=12x+36$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=3x^2$$y=3x+36$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=3x^2$$y=9x+54$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=3x^2$$y=3x+60$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=3x^2$$y=6x+72$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+1$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+3$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=x+4$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=2x+6$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+6$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{3}{2}x+9$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+10$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=x+12$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{1}{3}x+2$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{4}{3}x+4$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{1}{3}x+4$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=x+6$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{2}{3}x+8$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{2}x+2$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=x+3$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{4}x+3$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{4}x+5$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{2}x+6$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=x^2$$y=-x+2$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=x^2$$y=-x+6$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=x^2$$y=-2x+8$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=x^2$$y=-4x+12$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=x^2$$y=-x+12$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=x^2$$y=-3x+18$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=x^2$$y=-x+20$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=x^2$$y=-2x+24$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=2x^2$$y=-2x+4$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=2x^2$$y=-2x+12$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=2x^2$$y=-4x+16$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=2x^2$$y=-8x+24$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=2x^2$$y=-2x+24$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=2x^2$$y=-6x+36$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=2x^2$$y=-2x+40$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=2x^2$$y=-4x+48$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=3x^2$$y=-3x+6$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=3x^2$$y=-3x+18$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=3x^2$$y=-6x+24$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=3x^2$$y=-12x+36$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=3x^2$$y=-3x+36$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=3x^2$$y=-9x+54$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=3x^2$$y=-3x+60$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=3x^2$$y=-6x+72$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+1$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+3$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-x+4$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-2x+6$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+6$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{3}{2}x+9$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+10$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-x+12$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{1}{3}x+2$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{4}{3}x+4$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{1}{3}x+4$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-x+6$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{2}{3}x+8$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{2}x+2$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-x+3$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{4}x+3$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{4}x+5$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{2}x+6$̃OtB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4



̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$2A-1$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$3A-2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$4A-2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$6A-2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$4A-3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$6A-3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$5A-4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$6A-4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$2A-1$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$3A-2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$4A-2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$6A-2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$4A-3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$6A-3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$5A-4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$6A-4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$2A-1$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$3A-2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$4A-2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$6A-2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$4A-3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$6A-3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$5A-4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$6A-4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$2A-1$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$3A-2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$4A-2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$6A-2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$4A-3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$6A-3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$5A-4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$6A-4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$3A-2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$6A-2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$4A-3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$6A-3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$6A-4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$4A-2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$6A-2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$4A-3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$5A-4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$6A-4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-2A1$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-3A2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-4A2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-6A2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-4A3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-6A3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-5A4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-6A4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-2A1$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-3A2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-4A2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-6A2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-4A3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-6A3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-5A4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-6A4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-2A1$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-3A2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-4A2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-6A2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-4A3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-6A3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-5A4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-6A4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-2A1$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-3A2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-4A2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-6A2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-4A3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-6A3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-5A4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-6A4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$-3A2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$-6A2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$-4A3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$-6A3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$-6A4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$-4A2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$-6A2$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$-4A3$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$-5A4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$-6A4$ł_$A,B$B$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4




̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,4)ŁA_BxW-1$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,9)ŁA_BxW-2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,16)ŁA_BxW-2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,36)ŁA_BxW-2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,16)ŁA_BxW-3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,36)ŁA_BxW-3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,25)ŁA_BxW-4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,36)ŁA_BxW-4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,8)ŁA_BxW-1$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,18)ŁA_BxW-2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,32)ŁA_BxW-2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,72)ŁA_BxW-2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,32)ŁA_BxW-3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,72)ŁA_BxW-3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,50)ŁA_BxW-4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,72)ŁA_BxW-4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,12)ŁA_BxW-1$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,27)ŁA_BxW-2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,48)ŁA_BxW-2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,108)ŁA_BxW-2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,48)ŁA_BxW-3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,108)ŁA_BxW-3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,75)ŁA_BxW-4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,108)ŁA_BxW-4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,2)ŁA_BxW-1$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,\nfrac{9}{2})ŁA_BxW-2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,8)ŁA_BxW-2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,18)ŁA_BxW-2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,8)ŁA_BxW-3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,18)ŁA_BxW-3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,\nfrac{25}{2})ŁA_BxW-4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,18)ŁA_BxW-4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,3)ŁA_BxW-2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,12)ŁA_BxW-2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,\nfrac{16}{3})ŁA_BxW-3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,12)ŁA_BxW-3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,12)ŁA_BxW-4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,4)ŁA_BxW-2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,9)ŁA_BxW-2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,4)ŁA_BxW-3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,\nfrac{25}{4})ŁA_BxW-4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,9)ŁA_BxW-4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,4)ŁA_BxW1$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,9)ŁA_BxW2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,16)ŁA_BxW2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,36)ŁA_BxW2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,16)ŁA_BxW3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,36)ŁA_BxW3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,25)ŁA_BxW4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,36)ŁA_BxW4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,8)ŁA_BxW1$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,18)ŁA_BxW2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,32)ŁA_BxW2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,72)ŁA_BxW2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,32)ŁA_BxW3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,72)ŁA_BxW3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,50)ŁA_BxW4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,72)ŁA_BxW4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,12)ŁA_BxW1$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,27)ŁA_BxW2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,48)ŁA_BxW2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,108)ŁA_BxW2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,48)ŁA_BxW3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,108)ŁA_BxW3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,75)ŁA_BxW4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,108)ŁA_BxW4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,2)ŁA_BxW1$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,\nfrac{9}{2})ŁA_BxW2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,8)ŁA_BxW2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,18)ŁA_BxW2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,8)ŁA_BxW3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,18)ŁA_BxW3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,\nfrac{25}{2})ŁA_BxW4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,18)ŁA_BxW4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,3)ŁA_BxW2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,12)ŁA_BxW2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,\nfrac{16}{3})ŁA_BxW3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,12)ŁA_BxW3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,12)ŁA_BxW4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,4)ŁA_BxW2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

3F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,9)ŁA_BxW2$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

8F1

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,4)ŁA_BxW3$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

7F9

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,\nfrac{25}{4})ŁA_BxW4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

9F16

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,9)ŁA_BxW4$łB$\triangle{OAB}\triangle{OBC}$̖ʐϔ߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

5F4






[Level7]
_ʂAOAB񓙕钼̎߂


̐}̂悤ɁA֐$y=x^2$$y=x+2$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=5x$

̐}̂悤ɁA֐$y=x^2$$y=x+6$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=13x$

̐}̂悤ɁA֐$y=x^2$$y=2x+8$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=10x$

̐}̂悤ɁA֐$y=x^2$$y=4x+12$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=10x$

̐}̂悤ɁA֐$y=x^2$$y=x+12$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=25x$

̐}̂悤ɁA֐$y=x^2$$y=3x+18$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=15x$

̐}̂悤ɁA֐$y=x^2$$y=x+20$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=41x$

̐}̂悤ɁA֐$y=x^2$$y=2x+24$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=26x$

̐}̂悤ɁA֐$y=2x^2$$y=2x+4$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=10x$

̐}̂悤ɁA֐$y=2x^2$$y=2x+12$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=26x$

̐}̂悤ɁA֐$y=2x^2$$y=4x+16$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=20x$

̐}̂悤ɁA֐$y=2x^2$$y=8x+24$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=20x$

̐}̂悤ɁA֐$y=2x^2$$y=2x+24$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=50x$

̐}̂悤ɁA֐$y=2x^2$$y=6x+36$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=30x$

̐}̂悤ɁA֐$y=2x^2$$y=2x+40$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=82x$

̐}̂悤ɁA֐$y=2x^2$$y=4x+48$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=52x$

̐}̂悤ɁA֐$y=3x^2$$y=3x+6$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=15x$

̐}̂悤ɁA֐$y=3x^2$$y=3x+18$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=39x$

̐}̂悤ɁA֐$y=3x^2$$y=6x+24$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=30x$

̐}̂悤ɁA֐$y=3x^2$$y=12x+36$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=30x$

̐}̂悤ɁA֐$y=3x^2$$y=3x+36$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=75x$

̐}̂悤ɁA֐$y=3x^2$$y=9x+54$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=45x$

̐}̂悤ɁA֐$y=3x^2$$y=3x+60$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=123x$

̐}̂悤ɁA֐$y=3x^2$$y=6x+72$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=78x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+1$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{5}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+3$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{13}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=x+4$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=5x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=2x+6$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=5x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+6$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{25}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{3}{2}x+9$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{15}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=\nfrac{1}{2}x+10$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{41}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=x+12$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=13x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{1}{3}x+2$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{13}{3}x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{4}{3}x+4$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{10}{3}x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{1}{3}x+4$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{25}{3}x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=x+6$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=5x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=\nfrac{2}{3}x+8$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{26}{3}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{2}x+2$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{5}{2}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=x+3$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{5}{2}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{4}x+3$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{25}{4}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{4}x+5$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{41}{4}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=\nfrac{1}{2}x+6$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{13}{2}x$

̐}̂悤ɁA֐$y=x^2$$y=-x+2$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-5x$

̐}̂悤ɁA֐$y=x^2$$y=-x+6$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-13x$

̐}̂悤ɁA֐$y=x^2$$y=-2x+8$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-10x$

̐}̂悤ɁA֐$y=x^2$$y=-4x+12$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-10x$

̐}̂悤ɁA֐$y=x^2$$y=-x+12$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-25x$

̐}̂悤ɁA֐$y=x^2$$y=-3x+18$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-15x$

̐}̂悤ɁA֐$y=x^2$$y=-x+20$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-41x$

̐}̂悤ɁA֐$y=x^2$$y=-2x+24$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-26x$

̐}̂悤ɁA֐$y=2x^2$$y=-2x+4$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-10x$

̐}̂悤ɁA֐$y=2x^2$$y=-2x+12$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-26x$

̐}̂悤ɁA֐$y=2x^2$$y=-4x+16$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-20x$

̐}̂悤ɁA֐$y=2x^2$$y=-8x+24$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-20x$

̐}̂悤ɁA֐$y=2x^2$$y=-2x+24$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-50x$

̐}̂悤ɁA֐$y=2x^2$$y=-6x+36$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-30x$

̐}̂悤ɁA֐$y=2x^2$$y=-2x+40$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-82x$

̐}̂悤ɁA֐$y=2x^2$$y=-4x+48$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-52x$

̐}̂悤ɁA֐$y=3x^2$$y=-3x+6$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-15x$

̐}̂悤ɁA֐$y=3x^2$$y=-3x+18$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-39x$

̐}̂悤ɁA֐$y=3x^2$$y=-6x+24$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-30x$

̐}̂悤ɁA֐$y=3x^2$$y=-12x+36$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-30x$

̐}̂悤ɁA֐$y=3x^2$$y=-3x+36$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-75x$

̐}̂悤ɁA֐$y=3x^2$$y=-9x+54$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-45x$

̐}̂悤ɁA֐$y=3x^2$$y=-3x+60$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-123x$

̐}̂悤ɁA֐$y=3x^2$$y=-6x+72$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-78x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+1$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{5}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+3$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{13}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-x+4$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-5x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-2x+6$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-5x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+6$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{25}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{3}{2}x+9$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{15}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-\nfrac{1}{2}x+10$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{41}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$$y=-x+12$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-13x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{1}{3}x+2$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{13}{3}x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{4}{3}x+4$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{10}{3}x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{1}{3}x+4$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{25}{3}x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-x+6$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-5x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$$y=-\nfrac{2}{3}x+8$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{26}{3}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{2}x+2$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{5}{2}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-x+3$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{5}{2}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{4}x+3$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{25}{4}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{4}x+5$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{41}{4}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$$y=-\nfrac{1}{2}x+6$̃OtB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{13}{2}x$




̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$2A-1$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=5x$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$3A-2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=13x$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$4A-2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=10x$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$6A-2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=10x$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$4A-3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=25x$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$6A-3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=15x$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$5A-4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=41x$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$6A-4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=26x$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$2A-1$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=10x$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$3A-2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=26x$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$4A-2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=20x$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$6A-2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=20x$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$4A-3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=50x$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$6A-3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=30x$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$5A-4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=82x$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$6A-4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=52x$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$2A-1$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=15x$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$3A-2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=39x$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$4A-2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=30x$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$6A-2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=30x$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$4A-3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=75x$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$6A-3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=45x$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$5A-4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=123x$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$6A-4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=78x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$2A-1$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{5}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$3A-2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{13}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$4A-2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=5x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$6A-2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=5x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$4A-3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{25}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$6A-3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{15}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$5A-4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{41}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$6A-4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=13x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$3A-2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{13}{3}x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$6A-2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{10}{3}x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$4A-3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{25}{3}x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$6A-3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=5x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$6A-4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{26}{3}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$4A-2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{5}{2}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$6A-2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{5}{2}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$4A-3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{25}{4}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$5A-4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{41}{4}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$6A-4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{13}{2}x$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-2A1$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-5x$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-3A2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-13x$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-4A2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-10x$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-6A2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-10x$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-4A3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-25x$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-6A3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-15x$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-5A4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-41x$

̐}̂悤ɁA֐$y=x^2$̃OtɁA$x$Wꂼ$-6A4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-26x$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-2A1$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-10x$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-3A2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-26x$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-4A2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-20x$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-6A2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-20x$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-4A3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-50x$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-6A3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-30x$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-5A4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-82x$

̐}̂悤ɁA֐$y=2x^2$̃OtɁA$x$Wꂼ$-6A4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-52x$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-2A1$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-15x$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-3A2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-39x$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-4A2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-30x$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-6A2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-30x$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-4A3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-75x$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-6A3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-45x$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-5A4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-123x$

̐}̂悤ɁA֐$y=3x^2$̃OtɁA$x$Wꂼ$-6A4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-78x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-2A1$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{5}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-3A2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{13}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-4A2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-5x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-6A2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-5x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-4A3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{25}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-6A3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{15}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-5A4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{41}{2}x$

̐}̂悤ɁA֐$y=\nfrac12 x^2$̃OtɁA$x$Wꂼ$-6A4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-13x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$-3A2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{13}{3}x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$-6A2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{10}{3}x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$-4A3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{25}{3}x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$-6A3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-5x$

̐}̂悤ɁA֐$y=\nfrac13 x^2$̃OtɁA$x$Wꂼ$-6A4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{26}{3}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$-4A2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{5}{2}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$-6A2$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{5}{2}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$-4A3$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{25}{4}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$-5A4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{41}{4}x$

̐}̂悤ɁA֐$y=\nfrac14 x^2$̃OtɁA$x$Wꂼ$-6A4$ł_$A,B$B_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{13}{2}x$



̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,4)ŁA_BxW-1$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=5x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,9)ŁA_BxW-2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=13x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,16)ŁA_BxW-2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=10x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,36)ŁA_BxW-2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=10x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,16)ŁA_BxW-3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=25x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,36)ŁA_BxW-3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=15x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,25)ŁA_BxW-4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=41x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,36)ŁA_BxW-4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=26x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,8)ŁA_BxW-1$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=10x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,18)ŁA_BxW-2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=26x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,32)ŁA_BxW-2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=20x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,72)ŁA_BxW-2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=20x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,32)ŁA_BxW-3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=50x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,72)ŁA_BxW-3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=30x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,50)ŁA_BxW-4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=82x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,72)ŁA_BxW-4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=52x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,12)ŁA_BxW-1$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=15x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,27)ŁA_BxW-2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=39x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,48)ŁA_BxW-2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=30x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,108)ŁA_BxW-2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=30x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,48)ŁA_BxW-3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=75x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,108)ŁA_BxW-3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=45x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,75)ŁA_BxW-4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=123x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,108)ŁA_BxW-4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=78x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(2,2)ŁA_BxW-1$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{5}{2}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,\nfrac{9}{2})ŁA_BxW-2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{13}{2}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,8)ŁA_BxW-2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=5x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,18)ŁA_BxW-2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=5x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,8)ŁA_BxW-3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{25}{2}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,18)ŁA_BxW-3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{15}{2}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,\nfrac{25}{2})ŁA_BxW-4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{41}{2}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,18)ŁA_BxW-4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=13x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(3,3)ŁA_BxW-2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{13}{3}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,12)ŁA_BxW-2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{10}{3}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,\nfrac{16}{3})ŁA_BxW-3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{25}{3}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,12)ŁA_BxW-3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=5x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,12)ŁA_BxW-4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{26}{3}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,4)ŁA_BxW-2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{5}{2}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,9)ŁA_BxW-2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{5}{2}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(4,4)ŁA_BxW-3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{25}{4}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(5,\nfrac{25}{4})ŁA_BxW-4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{41}{4}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(6,9)ŁA_BxW-4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-3,4)(-1,5) \def\Fx{0.5,0,0}\def\Gx{1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx\xmin{3.2} \Gurafu\Gx{-2.5}{3.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(3.5,4.5){\makebox(0,0)[r]{A }} \put(-1,0.8){\makebox(0,0)[n]{B}} \put(-1.4,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.6){\makebox(0,0)[r]{D }}  \def\A{(3,4.5)} \def\B{(-1,0.5)} \def\C{(-1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=\nfrac{13}{2}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,4)ŁA_BxW1$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-5x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,9)ŁA_BxW2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-13x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,16)ŁA_BxW2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-10x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,36)ŁA_BxW2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-10x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,16)ŁA_BxW3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-25x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,36)ŁA_BxW3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-15x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,25)ŁA_BxW4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-41x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,36)ŁA_BxW4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-26x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,8)ŁA_BxW1$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-10x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,18)ŁA_BxW2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-26x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,32)ŁA_BxW2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-20x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,72)ŁA_BxW2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-20x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,32)ŁA_BxW3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-50x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,72)ŁA_BxW3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-30x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,50)ŁA_BxW4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-82x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,72)ŁA_BxW4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-52x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,12)ŁA_BxW1$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-15x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,27)ŁA_BxW2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-39x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,48)ŁA_BxW2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-30x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,108)ŁA_BxW2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-30x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,48)ŁA_BxW3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-75x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,108)ŁA_BxW3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-45x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,75)ŁA_BxW4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-123x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,108)ŁA_BxW4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-78x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-2,2)ŁA_BxW1$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{5}{2}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,\nfrac{9}{2})ŁA_BxW2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{13}{2}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,8)ŁA_BxW2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-5x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,18)ŁA_BxW2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-5x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,8)ŁA_BxW3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{25}{2}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,18)ŁA_BxW3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{15}{2}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,\nfrac{25}{2})ŁA_BxW4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{41}{2}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,18)ŁA_BxW4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-13x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-3,3)ŁA_BxW2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{13}{3}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,12)ŁA_BxW2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{10}{3}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,\nfrac{16}{3})ŁA_BxW3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{25}{3}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,12)ŁA_BxW3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-5x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,12)ŁA_BxW4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{26}{3}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,4)ŁA_BxW2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{5}{2}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,9)ŁA_BxW2$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{5}{2}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-4,4)ŁA_BxW3$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{25}{4}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-5,\nfrac{25}{4})ŁA_BxW4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{41}{4}x$

̐}̂悤ɁA$y=ax^21֐̃Oť_A̍W͓_A(-6,9)ŁA_BxW4$łB_ʂA$\triangle{OAB}$̖ʐς񓙕钼̎߂B\\\\{\unitlength0.8cm \begin{zahyou}(-4,3)(-1,5) \def\Fx{0.5,0,0}\def\Gx{-1,1.5} \GKouten\Fx\Gx\xi\xii \Kansuuti\Gx\xi\yi \Kansuuti\Gx\xii\yii \Gurafu\Fx{-3.2}\xmax \Gurafu\Gx{-3.5}{2.5} \dottedline{0.1}(\xi,0)(\xi,\yi)(0,\yi) \dottedline{0.1}(\xii,0)(\xii,\yii)(0,\yii) \put(-3,4.5){\makebox(0,0)[r]{A }} \put(1,0.8){\makebox(0,0)[n]{B}} \put(1.6,-0.4){\makebox(0,0)[bn]{C }}  \put(0.1,1.5){\makebox(0,0)[r]{D }} \def\A{(-3,4.5)} \def\B{(1,0.5)} \def\C{(1.5,0)} \def\D{(0,1.5)} \kuromaru{\A;\B;\C;\D} \end{zahyou}}%

$y=-\nfrac{13}{2}x$





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