JAMB Mathematics 2011 Question 32

Question 32

Coordinate Geometry

The midpoint of P(x, y) and Q (8,6) is (5,8). Find x and y.

  1. A.(2,10)
  2. B.(2,8)
  3. C.(2,12)
  4. D.(2,6)
Show the answer and explanation

Answer: A ((2,10))

Explanation

(x + 8)/2 = 5 gives x = 2, and (y + 6)/2 = 8 gives y = 10.