ECZ 2017 · GCE Paper 1 — Variation
y varies inversely as the square root of x (y = k/√x). Given that y = 2 when x = 16, find the value of k.
- A. 12
- B. 32
- C. 8
- D. 2
Verified working — step 1
2 = k/√16 = k4, 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.
Have a different question?
Search it — if it is from a past paper or a school mock, chances are we have it worked out, or one that uses the same method.
Search any past-paper question