Question

The points (-6, r)

and
(6,3) lie on a line with slope 3/4. Find the missing coordinate r.

Answer 1

r=-6

Explanation:

`m=(y2-y1)/(x2-x1) \\(3-r)/(6-(-6)) =(3)/(4) \\4(3-r)=3(12)\\12-4r=36\\-4r=24\\r=-6`