Question

What is an equation of the line that passes through the points (-2,8) and (1, -1)? ​

Answer 1

y = -3x + 2

Explanation:

y2 - y1 / x2 - x1

-1 - 8 / 1 - (-2)

-9/3

= -3

y = -3x + b

-1 = -3(1) + b

-1 = -3 + b

2 = b