Question

PLEASE PLEASE PLEASE HELP

The midpoint of CD is M(-3,-7). If the of C is (-2,-10), what is the of D??

x=

y=​

Answer 1

D is (-4, -4)

Explanation:

M = (x1 + x2)/2

-3 = (-2 + x2)/2

-6 = -2 + x2

x2 = -4

M = (y1 + y2)/2

-7 = (-10 + y2)/2

-14 = -10 + y2

y = -4