ECZ 2017 · O-Level Paper 1 — Variation
It is given that t = kv², where k is the constant of variation. Given that t = 4 when v = 1, find the value of k.
- A. 4
- B. 2
- C. 16
- D. ¼
Verified working — step 1
Substitute the pair (v = 1, t = 4) into t = kv²: 4 = k(1²) = k, so k = …The 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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