WAEC Mathematics 2026 Question 9

Question 9

Polynomials

Given that (x − 2) is a factor of 8 − 2qx − x2, find the value of q

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

Answer: B (1)

Explanation

By the factor theorem, x = 2 gives 0: 8 − 4q − 4 = 0, so q = 1.