WAEC Further Mathematics 2018 Question 6

Question 6

Polynomials

If the polynomial f(x) = 3x3 − 2x2 + 7x + 5 is divided by (x − 1), find the remainder.

  1. A.−17
  2. B.−7
  3. C.5
  4. D.13
Show the answer and explanation

Answer: D (13)

Explanation

Remainder = f(1) = 3 − 2 + 7 + 5 = 13.