ECZ 2023 · O-Level Paper 1 — Quadratic Functions
The diagram shows the sketch of the graph of y = -4x - x2 cutting the x-axis at A and B. Find the coordinates of (ii) the turning point of the graph.
- A. (0, 4)
- B. (-2, -4)
- C. (-2, 4)
- D. (2, 4)
Verified working — step 1
y = -x2 - 4xThe 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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