ECZ 2020 · GCE Paper 1 — Variation
It is given that y varies inversely as the square of x. The table below shows some values of x and corresponding values of y. x2b6y94a Find the (b) value of a,
- A. 1
- B. 9
- C. 6
- D. 36
Verified working — step 1
y = 36x2The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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