For what value of x is the expression \(\frac{x^2 + 15x + 50}{x - 5}\)
MATHEMATICS
WAEC 1994
For what value of x is the expression \(\frac{x^2 + 15x + 50}{x - 5}\) not defined ?
- A. -10
- B. -5
- C. o
- D. 5
Correct Answer: D. 5
Explanation
\(\frac{x^2 + 15x + 50}{x - 5}\)
It is undefined when x - 5 = 0.
That is at x = 5.
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