

\begin{exercice*}\label{2G2Placer}
Sur chacune des figures ci-dessous, donner le nom du point de coordonnées $(-1;2)$.

\begin{center}
 \begin{tikzpicture}[general, yscale=0.65, xscale=0.975]
  \draw[quadrillage, xstep=0.333, ystep=0.5] (-2,-3)grid(2,3);
   \axeX{-2}{2}{1}
  \axeY{-3}{3}{1}
  \origine
  \pointGraphique{-0.333}{-2}{A}{above left}
  \pointGraphique{-1.333}{1}{B}{above right}
  \pointGraphique{-1}{2}{C}{above right}
  \draw[color=C1] (-1.667,2.5) node[draw, circle, scale=0.9] {$1$};
 \end{tikzpicture}
\hfill
 \begin{tikzpicture}[general, scale=0.65]
 \foreach \a/\b/\c/\d in {-1/4/0/5,-1/3/1/5,-1/2/2/5, -1/1/3/5,-1/0/4/5, -1/-1/5/-1, -1/0/5/0, -1/1/5/1, -1/2/5/2, -1/3/5/3, -1/4/5/4, -1/5/5/5, 0/-1/5/4,1/-1/5/3, 2/-1/5/2, 3/-1/5/1, 4/-1/5/0} {\draw[quadrillage] (\a,\b)--(\c,\d);}
 \draw[axe] (-1,0)--(5,0);
 \draw[axe] (-1,-1)--(5,5);
 \draw (1,0) node {$+$};
 \draw (1,1) node {$+$};
 \draw (1,2) node {$+$};
 \draw (2,4) node {$+$};
 \draw (4,1) node {$+$};
 \draw (1,0) node[below] {1};
 \draw (1,1) node[left] {1};
 \draw (1,2) node[above right] {$A$};
 \draw (2,4) node[above right] {$B$};
 \draw (4,1) node[above right] {$C$};
  \draw[color=C1] (-0.5,4.5) node[draw, circle, scale=0.9] {$2$};
 \end{tikzpicture}
\end{center}
\begin{corrige}
 \begin{colenumerate}{2}
  \item $C$ \item $A$
 \end{colenumerate}
\end{corrige}
\end{exercice*}
