Question

Line AB contains point A (8,-4) and B (1-5), The slope of line AB is

A) -7
B) -1/7
C) 1/7
D) 7

Answer 1

m = - 4 + 5 / 8 - 1
m = 1/7

Answer 2

slope = change in y / change in x
m = (-5 - -4) / (1 - 8)
m = -1/-7 = 1/7
The answer is C.