WAEC Mathematics 2023 Objective — Question 13
Question 13 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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Find the quadratic equation whose roots are 2/3 and -3/4.
- A. y²+y-6=0
- B. 12y²-y-6=0
- C. 12y²+y-6=0Correct
- D. 12y²-y+6=0
Explanation
(y-2/3)(y+3/4)=0. Expanding and multiplying through by 12 gives 12y²+y-6=0.
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