Inverse square of a linear expression

Inverse square of a linear expression

Secondary 2
4 marks
TGM Original Questions

Optional extension

It is given that \(y\) varies inversely as the square of \((3x-1)\), and \(y=4\) when \(x=1\).

  1. Form an equation connecting \(x,y\).[2]
  2. Find the values of \(x\) when \(y=1\).[2]

Solution:

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Answer:(a) \(y=\dfrac{16}{(3x-1)^2}\) (b) \(x=\dfrac53,-1\).

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