Doubling an inverse-square input
Doubling an inverse-square input
Secondary 2
3 marks
TGM Original Questions
Optional extension
The quantity \(y\) is inversely proportional to \(x^2\). For one value of \(x\), \(y=12\). Find \(y\) when that \(x\)-value is doubled.[3]
Solution:
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Answer:\(y=3\)
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