2025 CGS PRELIMS P2 Q2
2025 CGS PRELIMS P2 Q2
Secondary 4
7 marks
2025 Crescent Girls' School Prelims A Math Paper 2
- Show that \(x - 1\) is a factor of \(3x^3 + 8x^2 - 5x - 6\).[1]
- Hence solve the equation \(3x^3 + 8x^2 - 5x = 6\) completely.[4]
- Hence solve the equation \(3(y - 2)^3 + 8(y - 2)^2 - 5y + 4 = 0\).[2]
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Answer:(a) \(x-1\) is a factor. (b) \(x=1,\ -\frac{2}{3},\ -3\). (c) \(y=3,\ \frac{4}{3},\ -1\).
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