WAEC Mathematics 2022 Question 4

Question 4

Surds

If √24 + √96 − √600 = y√6, find the value of y.

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

Answer: D (−4)

Explanation

√24 = 2√6, √96 = 4√6 and √600 = 10√6. So 2 + 4 − 10 = −4.