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Mathematics

Test your understanding of this lesson Radicals or surds | Introduction:-

1)
A surd or radical \(\sqrt[n]{a}\) where a is a rational number,is
  • a rational number
  • an irrational number
  • a whole number
  • a positive number
2)
\(\sqrt[4]{ \sqrt[]{3}}\) can be expressed as
  • \((\sqrt{3})^{4}\)
  • \(\sqrt[4]{3}\)
  • \(\sqrt[8]{3}\)
  • \(\sqrt[12]{3}\)
3)
\(3\sqrt[3]{5}\) is equal to
  • \(\sqrt[3]{27}\)
  • \(\sqrt[]{135}\)
  • \(\sqrt[3]{135}\)
  • \(\sqrt[3]{15}\)
4)
\(\frac{2}{3}\sqrt[3]{54} =\)
  • \(\sqrt[3]{24}\)
  • \(\sqrt[3]{16}\)
  • \(\sqrt[3]{48}\)
  • \(\sqrt[3]{27/8}\)
5)
\(\sqrt[3]{216000}=\)
  • 60
  • 30
  • 120
  • 20
Hand draw

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