Question

S(-4,-6) and T (-7,-3); Find R

Answer 1

S is the midpoint of RT so ,

S = (R + T)/2

-4 = (x - 7)/2 ; -6 = (y - 3)/2

-8 = x - 7 -12 = y - 3

x = -1 y = -9

R = (-1, -9)