Direct and Inverse Proportion

Direct and Inverse Proportion

IP 2

\(y\propto\sqrt{x}\), and \(y=18\) when \(x=36\).

  1. Find the equation connecting \(x\) and \(y\).

  2. Find \(y\) when \(x=100\).

  3. Find \(x\) when \(y=15\).

Solution:

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Answer:(a) \(y=3\sqrt{x}\); (b) \(30\); (c) \(25\).

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