ECZ 2022 · O-Level Paper 1 — Quadratic Functions
The sketch shows the graph of y = x2 - 2x - 8. Find the coordinates of (i) A and B.
- A. A(-2, 0), B(4, 0)
- B. A(0, -2), B(0, 4)
- C. A(2, 0), B(-4, 0)
- D. A(-4, 0), B(2, 0)
Verified working — step 1
At the x-axis, 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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