Question

PLEASE HELP ME!!!! WORTH 10 POINTS!!!

Answer 1

This is an extended version of the answer only for the purpose of understanding because you can easily identify the equation by simply looking at the coordinates on the line

Answer 2

2-(-2) / 2-(-2) = 4/4 = 1

then plug into the point slope formula  y - y1 = m(x - x1).