ECZ 2019 · O-Level Paper 1 — Quadratic Functions
The sketch shown below represents the graph of the curve y = x2 - 4x + 3, passing through the points A, B and C. Find the (i) coordinates of the points B and C,
- A. B(-1, 0), C(-3, 0)
- B. B(1, 0), C(3, 0)
- C. B(3, 0), C(1, 0)
- D. B(0, 1), C(0, 3)
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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