Hard
Find the midpoint of the line segment joining P(3, -6) and Q(-3, 6).
Explanation
Explanation
The midpoint formula gives M = ((x₁+x₂)/2, (y₁+y₂)/2) = ((3+-3)/2, (-6+6)/2) = (0, 0).
PRO TIP
Re-check your working by substituting the answer back into the original question.