-9
-9
-8
-8
-7
-7
-6
-6
-5
-5
-4
-4
-3
-3
-2
-2
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
Plot the following points and draw a straight line between them:
(-1 , 7) and (5 , -7)