WAEC Further Mathematics 2025 Objective — Question 8
Question 8 of 40 from the West African Examinations Council (WAEC) Further Mathematics 2025 Objective paper, with the correct answer and a full explanation.
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Find the remainder when f(x) = 2x³-4x²+x-7 is divided by (x+1).
- A. -14Correct
- B. -8
- C. 8
- D. 14
Explanation
By the Remainder Theorem, the remainder equals f(-1) = 2(-1)³-4(-1)²+(-1)-7 = -2-4-1-7 = -14.
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