2025 CGS PRELIMS P1 Q1

2025 CGS PRELIMS P1 Q1

Secondary 4
3 marks
2025 Crescent Girls' School Prelims A Math Paper 1

The curve \(x^2+xy-6y^2+9=0\) and line \(y=x+1\) intersect at the points \(R\) and \(S\). Find the \(x\)-coordinate of the midpoint of \(RS\).[3]

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Answer:\(\displaystyle -\frac{11}{8}\)

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