Question

What is an equation of the line that passes through the points (-2, 7) and (1, -8)

Answer 1

1. using point-slope formula:

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

(-8-7)/(1-(-2))=

-15/3=

-5

The slope is -5

The equations will be:

y-7=-5(x+2)=

y=-5x-3