Question

Which number is an irrational number?

Answer 1

Answer:

  (b)  -√3

Step-by-step explanation:

Any fraction or terminating decimal is rational. (a) and (c)

Any repeating decimal is rational.

Any square root of a perfect square is rational. (d)

Any square root of an integer that is not a perfect square is irrational. (c)

The sign of the number is irrelevant.

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Of these numbers, the irrational one is -√3.