Point A is at (-7, -7) and point B is at (-5,5).
What is the midpoint of line segment AB?
←++
B
-9-8-7-6-5-4-3-2
A
a
8-
7
6+
5
4+
3+
2+
1
-2+
-3-
-4-
-5-
+6+
-7+
+8+
6
1 2 3 4 5 6 7 8 9