\documentclass[b5j]{jarticle}

%\usepackage{amsmath}
\usepackage{mymacro}
%\usepackage{mypaper}
\usepackage{ascmac}

\pagestyle{print}

\hyodai{�ؿ��ȥ����}
\kamoku{����I}
\gakunen{1}


%%
\setlength{\unitlength}{1mm}
%%
\newcommand{\graph}{%
\begin{picture}(55,45)(-25,-25)
   %% Origin
     \put(-.5,-.5){\makebox(0,0)[tr]{$O$}}
   %% x-axis
     \thicklines % ��ɸ��������
     \put(-26,0){\vector(1,0){53}}
     \put(28,0){\makebox(0,0)[l]{$x$}}
   %% y-axis
     \put(0,-26){\vector(0,1){43}}
     \put(0,18){\makebox(0,0)[b]{$y$}}
     \thinlines % �����������᤹
   %% Horizontal Doted Lines
     \multiput(-25,-25)(0,5){5}{%
        \multiput(0,0)(1,0){51}{\makebox(0,0){\small .}}}
     \multiput(-25,5)(0,5){3}{%
        \multiput(0,0)(1,0){51}{\makebox(0,0){\small .}}}
   %% Vertical Doted Lines
     \multiput(-25,-25)(5,0){5}{%
        \multiput(0,0)(0,1){41}{\makebox(0,0){\small .}}}
     \multiput(5,-25)(5,0){5}{%
        \multiput(0,0)(0,1){41}{\makebox(0,0){\small .}}}
\end{picture}}
%%
\newcommand{\graphI}{%
\begin{picture}(45,35)(0,10)
\put(0,-10){%
 \begin{picture}(45,45)(-15,-10)
   %% Origin
     \put(-.5,-.5){\makebox(0,0)[tr]{$O$}}
   %% x-axis
     \thicklines % ��ɸ��������
     \put(-16,0){\vector(1,0){48}}
     \put(33,0){\makebox(0,0)[l]{$x$}}
   %% y-axis
     \put(0,-11){\vector(0,1){48}}
     \put(0,38){\makebox(0,0)[b]{$y$}}
     \thinlines % �����������᤹
   %% Horizontal Doted Lines
     \multiput(-15,-10)(0,5){2}{%
        \multiput(0,0)(1,0){46}{\makebox(0,0){\small .}}}
     \multiput(-15,5)(0,5){7}{%
        \multiput(0,0)(1,0){46}{\makebox(0,0){\small .}}}
   %% Vertical Doted Lines
     \multiput(-15,-10)(5,0){3}{%
        \multiput(0,0)(0,1){46}{\makebox(0,0){\small .}}}
     \multiput(5,-10)(5,0){6}{%
        \multiput(0,0)(0,1){46}{\makebox(0,0){\small .}}}
 \end{picture}}
\end{picture}}
%%
\newcommand{\graphII}{%
\begin{picture}(55,45)(-25,-15)
   %% Origin
     \put(-.5,-.5){\makebox(0,0)[tr]{$O$}}
   % ��ɸ��������
     \thicklines
   %% x-axis
     \put(-26,0){\vector(1,0){53}}
     \put(28,0){\makebox(0,0)[l]{$x$}}
   %% y-axis
     \put(0,-16){\vector(0,1){43}}
     \put(0,28){\makebox(0,0)[b]{$y$}}
   % �����������᤹
     \thinlines
   %% Horizontal Doted Lines
     \multiput(-25,-15)(0,5){3}{%
        \multiput(0,0)(1,0){51}{\makebox(0,0){\small .}}}
     \multiput(-25,5)(0,5){5}{%
        \multiput(0,0)(1,0){51}{\makebox(0,0){\small .}}}
   %% Vertical Doted Lines
     \multiput(-25,-15)(5,0){5}{%
        \multiput(0,0)(0,1){41}{\makebox(0,0){\small .}}}
     \multiput(5,-15)(5,0){5}{%
        \multiput(0,0)(0,1){41}{\makebox(0,0){\small .}}}
\end{picture}}
%%
\begin{document}
%\section*{1���ؿ�}

\begin{boxnote} % {{\gt\large 1���ؿ�}}
 \begin{enumerate}
  \item %1
	���̤� $a$, $b$ ������Ȥ��롣
	�����ͤ� $y$ �� $x$ ��1���� \par
	\hfill
	 $y = ax + b$
	\hfill \qquad\quad \par
	��ɽ�����Ȥ���$y$ �� $x$ ��{\bf 1���ؿ�}�Ȥ�����\par
	�ޤ���$a$��{\gt ����}��$b$��$y${\gt ����}�Ȥ�����
  \item %2
	1���ؿ��Υ����
	 	\ \\[-1.5\baselineskip]
	\begin{enumerate2}
	 \itemi %1
	      \begin{minipage}[t]{.5\linewidth}
	      $a > 0$ �ΤȤ� \par
		\begin{picture}(46,30)(-23,-10)
		% ����
		\put(-1,-1){\makebox(0,0)[tr]{$O$}}
		% x axis
		\thicklines
		\put(-23,0){\vector(1,0){46}}
		\put(23,-2){\makebox(0,0)[tr]{$x$}}
		% y axis
		\put(0,-10){\vector(0,1){30}}
		\put(-2,20){\makebox(0,0)[tr]{$y$}}
		\thinlines
		% Graph
		\put(-23,-5){\line(3,1){46}}
		\end{picture}
		\vspace{2zh}
	      \end{minipage}
	 \itemi %2
	      \begin{minipage}[t]{.5\linewidth}
	      $a < 0$ �ΤȤ� \par
		\begin{picture}(46,30)(-23,-10)
		% ����
		\put(-1,-1){\makebox(0,0)[tr]{$O$}}
		% x axis
		\thicklines
		\put(-23,0){\vector(1,0){46}}
		\put(23,-2){\makebox(0,0)[tr]{$x$}}
		% y axis
		\put(0,-10){\vector(0,1){30}}
		\put(-2,20){\makebox(0,0)[tr]{$y$}}
		\thinlines
		% Graph
		\put(-20,18){\line(3,-2){43}}
		\end{picture}
	      \end{minipage}
	\end{enumerate2}
 \end{enumerate}
\end{boxnote}

%%

\setcounter{myctri}{2}
\begin{rei}
    ����1���ؿ��Υ���դ�񤱡�
    �ޤ�������դ�$x$���ȸ������κ�ɸ����衣
   \begin{enumerate}
     \item %1
	\parbox[t]{.4\linewidth}{%
     	$y = x - 4$ \par
	$\begin{array}{r@{:}l}
	  ���� & \\
	  y���� &
	\end{array}$
	}
	\hfill
	\begin{minipage}[t]{.5\linewidth}
	\ \\[-\baselineskip]
	\graph
	\end{minipage}
      \item %2
	\parbox[t]{.4\linewidth}{%
        $y = -3x + 6$ \par
	$\begin{array}{r@{:}l}
	  ���� & \\
	  y���� &
	\end{array}$
	}
	\hfill
	\begin{minipage}[t]{.5\linewidth}
	\ \\[-\baselineskip]
	\graphI
	\end{minipage}
   \end{enumerate}
\end{rei}

\newpage

\begin{rensyuu}
\setcounter{enumi}{2}
 \item %1
    ����1���ؿ��Υ���դ�񤱡��ޤ�������դ�$x$���ȸ������κ�ɸ����衣
     \begin{enumerate2}
      \itemi %1
	   \begin{minipage}[t]{.5\linewidth}
	     $y = x + 2$ \par
	    \graphII
	    \vspace{4zh}
	   \end{minipage}
      \itemi %2
	   \begin{minipage}[t]{.5\linewidth}
	     $y = 2x - 1$ \par
	     \graphII
	   \end{minipage}
      \itemi %3
	   \begin{minipage}[t]{.5\linewidth}
	     $y = -x + 3$ \par
	     \graphII
	    \vspace{4zh}
	   \end{minipage}
      \itemi %4
	   \begin{minipage}[t]{.5\linewidth}
	     $y = \displaystyle\frac{3}{2}x$ \par
	     \graphII
	   \end{minipage}
      \itemi %5
	   \begin{minipage}[t]{.5\linewidth}
	     $y = -\displaystyle\frac{1}{3}x + 2$ \par
	     \graphII
	   \end{minipage}
      \itemi %6
	   \begin{minipage}[t]{.5\linewidth}
	     $y = 3(x + 1)$ \par
	     \graphII
	   \end{minipage}
   \end{enumerate2}
\end{rensyuu}













\end{document}
