Question

M is the midpoint of AN, A has coordinates
(7,-4), and M has coordinates (3,2). Find
the coordinates of N.
Explain??

Answer 1

(7+x)/2= 3

7+x=6

x=(-1,0)

(-4+y)/2= 2

-4+y=4

y=(0,8)

Therefore, N has coordinates (-1,8)