WAEC Mathematics 2022 Objective — Question 4
Question 4 of 50 from the West African Examinations Council (WAEC) Mathematics 2022 Objective paper, with the correct answer and a full explanation.
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If √24 + √96 − √600 = y√6, find the value of y.
- A. 4
- B. 2
- C. −2
- D. −4Correct
Explanation
Express surds in basic form: √24=2√6, √96=4√6, √600=10√6. So 2√6+4√6−10√6 = −4√6 = y√6, giving y=−4.
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