passwella.
Menu

WAEC Mathematics 2014 Question 13

Question 13

Coordinate Geometry

The coordinates of points P and Q are (4,3) and (2, −1) respectively. Find the shortest distance between P and Q.

  1. A.10√2
  2. B.4√5
  3. C.5√2
  4. D.2√5
Show the answer and explanation

Answer: D (2√5)

Explanation

|PQ| = √((4 − 2)2 + (3 + 1)2) = √(4 + 16) = √20 = 2√5.