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No because it can't be expressed as a fraction and so therefore the square root of 2 is an irrational number.

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8y ago

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9y ago

No. It isn't a real number, either - it's a so-called complex number.

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Q: Is the square root of 2 a rational number?
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Related questions

Is square root of 4 rational?

The square root of 4 is 2. 2 is a rational number so they square root of 4 is rational.


Is the square root of 4 irrational or rational?

It is rational. The root of a perfect square, such as 4, is rational; the root of any positive integer that is not a perfect square is an irrational number.


Is the square root of 4 a rational or irrational number?

The square root of 4 is 2 which is a rational number


Is the square of 2 rational number?

Yes, the square of any rational number is also a rational number.The square root of 2 is not a rational number.


A short note on square root of rational number?

Square root of a rational number may either be rational or irrational. For example 1/4 is a rational number whose square root is 1/2. Similarly, 4 is 4/1 which is rational and the square root is 2 which of course is also rational. However, 1/2 and 2 are rational, but their square roots are irrational. We can say the square root of a rational number is always a real number. We can also say the rational numbers whose square roots are also rational are perfect squares or fractions involving perfect squares.


Is the square root of 84 a rational number?

No because it is 2 times the square root of 21 which is an irrational numberThe square root of 84 is not a rational number


Is a square root of 2 rational or irrational?

The square root of 2 is an irrational number


Is the square root 2 a rational number?

No, they are not.


Is the square root of 4 rational?

Yes because the square root of 4 is 2 which is a rational number


Is the square root of 12 a rational number?

The square root of 12 is not a rational number. In fact, it is a radical number. It's simplified form would be 2 multiplied by the square root of 3.


Is the square root of 9 divided by the square root of 4 rational?

Yes, because the answer is 3/2 which is a rational number.


Is the square root of 4 rational and why?

yes its a rational number because the square root of 4 is 2 and 2 can be put over 1