No. A number will have a rational square root, only if both the numerator and denominator of the simplified fraction are squares of integers.
No. Lots of square roots are not rational. Only the square roots of perfect square numbers are rational. So for example, the square root of 2 is not rational and the square root of 4 is rational.
No. The square roots of perfect squares are rational.
No. The square roots 8 are irrational, as are the square roots of most even numbers.
No. The square roots of 2, 3 and 5, for a start, are not rational.
The square roots are irrational.
The square roots are rational.
Some square roots are rational but the majority are not.
The square root of 16 is rational. The answer would be 4, so, yes; they can be rational.
No, they are not.
Yes. Because they have to be a rational number
They are rational because the characteristic of evenness and unevenness is relevant only in the context of integers. And all integers are rational.
-39 has no rational roots.