WAEC Mathematics 2009 Question 44

Question 44

Surds

Simplify: ½√32 − √18 + √2.

  1. A.0
  2. B.√2
  3. C.2√2
  4. D.4√2
Show the answer and explanation

Answer: A (0)

Explanation

½√32 = 2√2 and √18 = 3√2, so 2√2 − 3√2 + √2 = 0.