ECZ 2019 · GCE Paper 1 — Quadratic Functions
A function y = (1 + x)(x − 2). Which description matches the sketch of its graph?
- A. mathquadratic_functionsq732a.png
- B. mathquadratic_functionsq732b.png
- C. mathquadratic_functionsq732c.png
- D. mathquadratic_functionsq732d.png
Verified working — step 1
Three features pin the sketch down: the roots, the opening direction, and the y-intercept.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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