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Recovering values from an inverse-root table

Recovering values from an inverse-root table

Secondary 2
6 marks
TGM Original Questions

Optional extension

The variables satisfy \(y=\dfrac{k}{\sqrt[3]{x+2}}\). Use the table to calculate

  1. \(k\),[2]
  2. \(a\), and[2]
  3. \(b\).[2]
\(x\)\(6\)\(b\)\(214\)
\(y\)\(a\)\(4\)\(2\)

Solution:

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Answer:(a) \(k=12\) (b) \(a=6\) (c) \(b=25\).

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