Question

What is the equation of the line (0, 0) (3, -9)

Answer 1

y= -3x

Explanation:

Find the slope

-9-0/3-0 = -9/3

Simplify = -3

Plug into point-slope formula

y-y1=m(x-x1)

y-0=-3(x-0)

y= -3x