Question

Which equation represents a line that passes through the points (4,12) and (8,9)

Answer 1

y=-3/4x+15

Explanation:

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

m=(9-12)/(8-4)

m=-3/4

y-y1=m(x-x1)

y-12=-3/4(x-4)

y=-3/4x+12/4+12

y=-3/4x+3+12

y=-3/4x+15