2026 IGCSE Additional Mathematics February/March 0606/22 Q3

2026 IGCSE Additional Mathematics February/March 0606/22 Q3

4 marks

The diagram shows the graph of \(y=(x+2)(x-1)(x-3)\).

By drawing a suitable line on the diagram, solve the inequality \((x+2)(x-1)(x-3)>7\).[4]

Solution:

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Answer:\(-1.3<x<-0.2\) or \(x>3.5\) (graphical approximations)

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