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GCE Mathematics 2022 Objective — Question 4

Question 4 of 50 from the General Certificate of Education (GCE) Mathematics 2022 Objective paper, with the correct answer and a full explanation.

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If sqrt(24)+sqrt(96)-sqrt(600)=y*sqrt(6), find the value of y.

  • A. 4
  • B. -4Correct
  • C. -2
  • D. -4

Explanation

sqrt(24)=2sqrt6, sqrt(96)=4sqrt6, sqrt(600)=10sqrt6. So 2sqrt6+4sqrt6-10sqrt6 = -4sqrt6, giving y=-4.

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