ECZ 2025 · GCE Paper 1 — Variation
It is given that x = kzy2, where k is the constant of variation. The table shows some corresponding values of x, y and z. x24p12y23qz16618 Use the information given in the table to find the value of k.
- A. 12
- B. 24
- C. 6
- D. 3
Verified working — step 1
The formula is already given - x = kzy2 - so pick the one COMPLETE column of the table and substitute it.The full step-by-step working and final answer, plus the video lesson for this topic, 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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