Which expression is irrational? 8 over 5. square root of 4 square root of 10. square root of 64

Question

Zion Downs

Mathematics

9 October, 07:17

Which expression is irrational? 8 over 5. square root of 4 square root of 10. square root of 64

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Answers (1)

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Camren Nielsen · Answer 1

8/5 is rational. It is expressed as a ratio of two integers.

√4 = 2 = 2/1. This is rational because it expressed as ratio of two integers.

√64 = 8. This is rational because it expressed as ratio of two integers.

√10 = 3.16227 ... The decimal part does not end and it is irrational because it can not be expressed as ratio of two integers.

Therefore √10 is irrational.