SOLUTION: If M(-3,3) is the midpoint of segment PQ and the coordinates of P are (-5,5), find the coordinates of Q.

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: If M(-3,3) is the midpoint of segment PQ and the coordinates of P are (-5,5), find the coordinates of Q.      Log On


   

Question 143965: If M(-3,3) is the midpoint of segment PQ and the coordinates of P are (-5,5), find the coordinates of Q.
Answer by nabla(475) About Me  (Show Source):
You can put this solution on YOUR website!
1) -3=(a-5)/2
2) 3=(b+5)/2
From 1, a=-1
From 2, b=1
giving (-1,1) as the coordinates of Q.
Check:
((-1-5)/2,(1+5)/2)=(-3,3)