WAEC Mathematics 2023 Objective — Question 50
Question 50 of 50 from the West African Examinations Council (WAEC) Mathematics 2023 Objective paper, with the correct answer and a full explanation.
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For what values of x is (x²+2)/(10x²-13x-3) undefined?
- A. -3/2, 1/5
- B. 3/2, -1/5Correct
- C. -3/2, -1/5
- D. -3/2, 1/6
Explanation
The expression is undefined when the denominator equals zero: 10x²-13x-3=0 → (2x-3)(5x+1)=0 → x=3/2 or x=-1/5.
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