diff --git a/1ST/Questions_flashs/P2/QF_S47-2.pdf b/1ST/Questions_flashs/P2/QF_S47-2.pdf
index 04010a4..9e4cc8c 100644
Binary files a/1ST/Questions_flashs/P2/QF_S47-2.pdf and b/1ST/Questions_flashs/P2/QF_S47-2.pdf differ
diff --git a/1ST/Questions_flashs/P2/QF_S47-3.pdf b/1ST/Questions_flashs/P2/QF_S47-3.pdf
index 581dc70..3c417b2 100644
Binary files a/1ST/Questions_flashs/P2/QF_S47-3.pdf and b/1ST/Questions_flashs/P2/QF_S47-3.pdf differ
diff --git a/1ST/Questions_flashs/P2/QF_S47-3.tex b/1ST/Questions_flashs/P2/QF_S47-3.tex
index b5e795f..d510f05 100755
--- a/1ST/Questions_flashs/P2/QF_S47-3.tex
+++ b/1ST/Questions_flashs/P2/QF_S47-3.tex
@@ -57,7 +57,7 @@
 
 \begin{frame}[fragile]{Calcul 4}
     % Équation de droite
-    Quelle droite correspond à la représentation graphique de  $f(x) = 0.5x + 2$
+    Déterminer l'équation de la droite.
 
     \begin{center}
         \begin{tikzpicture}
@@ -69,9 +69,7 @@
                 ylabel = {$f(x)$},
                 ytick distance=1,
                 ]
-                \addplot[domain=-3:3,samples=2, color=red, very thick]{0.5*x+2};
-                \addplot[domain=-3:3,samples=2, color=blue, very thick]{-0.5*x+1};
-                \addplot[domain=-3:3,samples=2, color=green, very thick]{0.5*x-2};
+                \addplot[domain=-3:3,samples=2, color=red, very thick]{-x+2};
             \end{axis}
         \end{tikzpicture}
     \end{center}