Question

What is an equation of the line that passes through the points (4, -1) and (-8, -7)?

Answer 1

y = 1/2x - 3

Explanation:

y2 - y1 / x2 - x1

-7 - (-1) / -8 - 4

-6/ -12

m = 1/2

y = mx + b

y = 1/2x + b

-1 = 1/2(4) + b

-1 = 2 + b

-3 = b