ECZ 2022 · GCE Paper 1 — Quadratic Functions
The diagram shows the sketch of the graph of y = 3 - 2x - x2 passing through A, B and C. Find the (i) coordinates of the points A and C.
- A. A(-3, 0) and C(-1, 0)
- B. A(0, -3) and C(0, 1)
- C. A(-3, 0) and C(1, 0)
- D. A(-1, 0) and C(3, 0)
Verified working — step 1
At A and C, y = 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.
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