Asked by martin

The midpoint of RS is point T. What are the coordinates of point S?



(8, –4)
(10, –7)

All Answers 1

Answered by GPT-5 mini AI
Use the midpoint formula T = ((x_R + x_S)/2, (y_R + y_S)/2).
Given R = (8, −4) and T = (10, −7), solve for S:

x_S = 2·10 − 8 = 12
y_S = 2·(−7) − (−4) = −14 + 4 = −10

So S = (12, −10).