ECZ 2021 · O-Level Paper 1 — Quadratic Functions

The diagram below shows the graph of y = (-x + 2)(x - 5). The graph cuts the x-axis at A and B. Find the (ii) maximum value of y.

Verified working — step 1

The roots are x = 2 and x = 5.

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Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.

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