Question

Find the equation of a line that passes through the points (-1,3) and (1,-5).

Leave your answer in the form y=mx+c

Answer 1

y=-4x-1

Explanation:

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

m=(-5-3)/(1-(-1))

m=-8/(1+1)

m=-8/2

m=-4

y-y1=m(x-x1)

y-3=-4(x-(-1))

y-3=-4(x+1)

y=-4x-4+3

y=-4x-1