2026 GESS P1 Q12

2026 GESS P1 Q12

Secondary 4
4 marks

Find the set of values of the constant \(k\) for which the curve \(y=x^2+(3k+2)x-1\) lies entirely above the line \(y=2x-2\).[4]

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Answer:\(-\dfrac23<k<\dfrac23\).

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