Curve from three intercepts

Curve from three intercepts

Secondary 3
5 marks
TGM Original Questions

A quadratic curve crosses the axes at \((-4,0)\), \((2,0)\) and \((0,8)\). Find its equation. Sketch the curve, labelling its turning point and intercepts.[5]

Solution:

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Answer:\(y=-x^2-2x+8\); maximum point \((-1,9)\).

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