Question

3

M(9,8) is the midpoint of RS. The coordinates of S are (10, 10). What are the coordinates of R?
(8,6)
(11, 12)
(9.5,9)
(18, 16)

Answer 1

(8,6)

Explanation:

8 and 10 are 2 units apart. So 8 and the x value of R have to be two units apart. That would be 6. Use the same process for the y value.