ECZ 2020 · GCE Paper 1 — Quadratic Functions
The diagram below is the graph of y = -4(x - 12)2 + 9. Find the (ii) co-ordinates of C.

- A. (0, -8)
- B. (12, 9)
- C. (0, 9)
- D. (0, 8)
Verified working — step 1
At the y-axis, x = 0.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