2025 GESS PRELIMS P1 Q6

2025 GESS PRELIMS P1 Q6

Secondary 4

2 marks

Given that \(z=\dfrac{x^2+y}{2}\), express \(x\) in terms of \(z\) and \(y\).[2]

Solution:

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Answer:\(x=\pm\sqrt{2z-y}\)

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