Question

Which line has the same slope as the line passing through (-4,-1)

and (-1,8)?
A.9x-3y=5
B.y=1/3x+8
C.y=3
D. the line passing through
and (1,7)

Answer 1

A

Explanation:

m = (y2 - y1) / (x2 - x1)

m = 3

9x - 3y = 5

3y = 9x - 5

y = 3x - 5/3

m is also 3, therefore the answer is A.