Answer:
no one of them has to be 90 degrees
Step-by-step explanation:
It is the fourth one because n could be any number on that red line because it’s is greater than -3
The steps are shown here.
1) Factoring
2) Completing the square
3) Quadratic Formula
4) Graphing
So basically the answer would either be 5 or -5.
It would hafta be answer choice D
