WAEC Mathematics 2016 Objective — Question 43
Question 43 of 50 from the West African Examinations Council (WAEC) Mathematics 2016 Objective paper, with the correct answer and a full explanation.
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43. The relation y=x²+2x+k passes through the point (2,0). Find the value of k. A. -8 B. -4 C. 4 D. 8
- A. -8Correct
- B. -4
- C. 4
- D. 8
Explanation
0=2²+2(2)+k → 0=4+4+k → k=-8.
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