WAEC Mathematics 2022 Objective — Question 16
Question 16 of 50 from the West African Examinations Council (WAEC) Mathematics 2022 Objective paper, with the correct answer and a full explanation.
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What value of p will make (x²−4x+p) a perfect square?
- A. −2
- B. 16Correct
- C. 4
- D. −8
Explanation
For a perfect square trinomial x²−4x+p, we need p=(−4/2)²=4²=16.
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