Answer :
First find slope
(9-1)/(-3+7) = 8/4 = 2
Point slope: y-y1 = m(x-x1)
Plug in the numbers
Solution: y-1 = 2(x+7)
(9-1)/(-3+7) = 8/4 = 2
Point slope: y-y1 = m(x-x1)
Plug in the numbers
Solution: y-1 = 2(x+7)