Irrational Values and Order of Operations

Irrational Values and Order of Operations

IP 1
6 marks
  1. Identify all the irrational numbers in the list below. \(\sqrt{32},\ -0.7^2,\ \frac{355}{113},\ \frac{\pi}{6},\ \sqrt[3]{729},\ \sqrt{49}\)[2]
  2. Without the use of a calculator, evaluate \(8-2\left[\frac{\sqrt[3]{343}}{7}+12\div6\right]+\sqrt{-6^2+85}\).[4]

Solution:

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Answer:(a) \(\sqrt{32}\), \(\frac{\pi}{6}\) (b) \(9\)

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