Question

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

Answer 1

7

Explanation:

8 units separate -4 and 4

8 divided by 2 (which is the x of slope) is four

Four times 1 (which is y of slope) equals four

3+4 equals seven

(4,7)