I know this is probably easy but I really need help
I will give brainliest answer ;)

Answer:
parallel perpendicular
2 -2
4/7 -7/4
9/10 -10/9
-5/6 6/5
3 -3
-11 11
10/11 -11/10
7 -7
5 -5
-11/12 12/11