Question

Uis the midpoint of PR find the coordinates of R if P is (-4,1) and you is to (2, -1)​

Answer 1

Answer:

Let x and y be the coordinate of point R

Then 2 = (-4 + x)/2....(1) and

-1 = (1+y)/2.......(2)

From (1) -4 +x =4

x = 8

From (2)

1 +y = -2

y = -2 -1 = - 3