diff --git a/maximumsAndMinimums/exercises/maxMinFromGraph1.tex b/maximumsAndMinimums/exercises/maxMinFromGraph1.tex
index a5c3899c7..320155be8 100644
--- a/maximumsAndMinimums/exercises/maxMinFromGraph1.tex
+++ b/maximumsAndMinimums/exercises/maxMinFromGraph1.tex
@@ -248,7 +248,7 @@
 \choice{$x=-8$}
 \choice{$x=-7$}
 \choice{$x=-4$}
-\choice{$x=-2$}
+\choice[correct]{$x=-2$}
 \choice{$x=0$}
 \choice{$x=1$}
 \choice{$x=2$}
@@ -296,7 +296,7 @@
 \choice{$x=-8$}
 \choice{$x=-7$}
 \choice[correct]{$x=-4$}
-\choice[correct]{$x=-2$}
+\choice{$x=-2$}
 \choice{$x=0$}
 \choice{$x=1$}
 \choice[correct]{$x=2$}
@@ -343,7 +343,7 @@
 \choice{$x=-8$}
 \choice{$x=-7$}
 \choice{$x=-4$}
-\choice{$x=-2$}
+\choice[correct]{$x=-2$}
 \choice[correct]{$x=0$}
 \choice{$x=1$}
 \choice[correct]{$x=2$}