2025 CCHY PRELIMS P1 Q18

2025 CCHY PRELIMS P1 Q18

Secondary 4
3 marks

Sketch the graph of \(y=(x+5)(3-x)\) on the axes below. Indicate clearly the coordinates of the points where the graph crosses the axes and the turning point of the curve.[3]

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Answer:Intercepts \((-5,0),(3,0),(0,15)\); maximum \((-1,16)\).

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