ECZ 2025 · GCE Paper 1 — Variation
It is given that x = kzy2, where k is a constant of variation. x24p12y23qz16618 Given that k = 6, find the values of q.
- A. q = 9 or q = -9
- B. q = 3 only
- C. q = 6 or q = -6
- D. q = 3 or q = -3
Verified working — step 1
12 = 6 × 18q2The 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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