ECZ 2024 · O-Level Paper 1 — Variation

It is given that a varies as b and inversely as the square of c and a = 9 when b = 12 and c = 2. Find the (a) value of k, the constant of variation,

  • A. 3
  • B. 27
  • C. 13
  • D. 9

Verified working — step 1

a = kbc2

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Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.

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