ECZ 2025 · GCE Paper 1 — Graphs of Functions
The curve y = x2 - 6x + 5 passes through A, B and C as shown in the diagram. Find the turning point of the curve.

- A. (-3, -4)
- B. (3, 4)
- C. (6, 5)
- D. (3, -4)
Verified working — step 1
x-coordinate of the turning point = -b2aThe 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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