ECZ 2022 · O-Level Paper 1 — Quadratic Functions
The sketch shows the graph of y = x2 - 2x - 8. Find the coordinates of (ii) the minimum point on the graph.
- A. (-1, -9)
- B. (1, -9)
- C. (1, 9)
- D. (3, -9)
Verified working — step 1
The roots are -2 and 4.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.
Have a different question?
Search it — if it is from a past paper or a school mock, chances are we have it worked out, or one that uses the same method.
Search any past-paper question