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Q: Is root 2 a rational number?

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

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

Rational number is the root of the number 2. This number cannot be written into a fractional.

The square root of 4 is 2 which is 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

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.

no it is an irrational number

No, they are not.

The square root of 2 is an irrational number

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.

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

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.

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

√2.

Root 2 is appx. 1.414 and root 3 is appx. 1.732. There are many rational number between that. For instance: 1.5, 1.6, etc.

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

Yes because any number that can be expressed as a fraction is a rational number and the answer in the question is 1/2 which is rational

irrational

the square root of 2

It could be either. For example, √9 is a rational number, whereas √2 is not.

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

The square root of 4 is 2 which is a rational number and also a prime number

2 and 1/2 are rational numbers, but 2^(1/2) is the square root of 2. It is well known that the square root of 2 is not rational.

root 2 * root 2 = 2

The square root of 2 is real number but it is not rational number because it can't be expressed as a fraction.