Question

what is the equation for the line in slope-intercept form that passes through points (4,-4) and (8,4)?

Answer 1

y = 2x - 12

Explanation:

(y-4)/(-4-4) = (x-8)/(4-8)

(y-4)/-8 = (x-8)/-4

y-4 = 2x - 16

y = 2x - 16 + 4

y = 2x - 12