5. Indices and Surds
iGCSE (2021 Edition)
5.07 Irrational numbers
Interactive practice questions
Is $\sqrt{25}$√25 rational or irrational?
Rational
A
Irrational
B
Easy
< 1min
Is $\sqrt{361}$√361 rational or irrational?
Easy
< 1min
Is $\sqrt{33}$√33 rational or irrational?
Easy
< 1min
Is $\sqrt[3]{64}$3√64 rational or irrational?
Easy
< 1min
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