GCE Mathematics 2024 Objective — Question 50
Question 50 of 50 from the General Certificate of Education (GCE) Mathematics 2024 Objective paper, with the correct answer and a full explanation.
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For what values of y is 1/(8y²−10y+3) undefined?
- A. A. -3/4, -1/2
- B. B. 3/4, 1/2Correct
- C. C. -3/4, 1/2
- D. D. 3/4, -1/2
Explanation
The expression is undefined when the denominator is zero: 8y²−10y+3=0. Using the quadratic formula: y=(10±√(100−96))/16=(10±2)/16 → y=3/4 or y=1/2.
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