Find the value of m which makes x2 + 8 + m a perfect square
MATHEMATICS
WAEC 1990
Find the value of m which makes x2 + 8 + m a perfect square
- A. 2
- B. 4
- C. 8
- D. 16
Correct Answer: D. 16
Explanation
x\(^2\) + 8 + m
To make it a perfect square, we add \((\frac{b}{2})^2\)
= \((\frac{8}{2})^2\)
= 16
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