Percentage change in inverse-square variation
Percentage change in inverse-square variation
Secondary 2
3 marks
TGM Original Questions
Optional extension
Assume all quantities and the constant of proportionality are positive.
The quantity \(v\) is inversely proportional to \(x^2\). If \(x\) is multiplied by \(4\), find the percentage change in \(v\).[3]
Solution:
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Answer:\(93.75\%\) decrease.
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