If Q is the midpoint of PR, find the coordinates of R if P(l 1, -2) and Q(4, 3).

Step-by-step explanation:

P(1, -2) ;Q(4,3)

Let R(x1,y1)

Midpoint= = (4,3)

Compare x coordinates and y coordinates

1+x1 = 4*2   ; -2+y2 = 3*2

1+x1 = 8       ;  -2 +y2 = 6

   x1= 8-1     ;        y2 = 6+2

    x1 = 7     ;         y2 = 8

R(7 , 8)

x=6 and x=3

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