Given and endpoint and a midpoint, find the missing endpoint point (3,6) midpoint (5,2)

Question

Ned the answer

Answer 1

one endpoint is (3,6)

midpoint is (5,2)

the other endpoint is (7,-2)

the midpoint has coordinates that are the average of the endpoints' coordinates

(3+7)/2 = 5

(6-2)/2 = 2