Question

The points (-2, 4) and (1,r) lie on a line with slope 3. Find the missing coordinate r.

Answer 1

-9

Explanation:

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

(r - 11)/(4 - (-1)) = (r - 11)/5

So, (r - 11)/5 = -4

r - 11 = -20

r = -9

I dont know wht

way you are doing this but hope it helps