The square root of 4 is 2 which is a rational number and also a Prime number
rational
The negative square root of 100 is -10. Since -10 can be expressed as a fraction (-10/1), it is considered a rational number. Thus, the negative square root of 100 is rational.
No, they are not.
No, it is not.
No, it is rational.
If you mean 0.3 times pi then it is an irrational number
rational
No, it is not.
Sqrt(4) is +/- 2 so it is rational, not irrational. The question, therefore, makes no sense.
No, it is rational.
No, it is not.
No, it is not.
No, they are not.
No. Radical(9) is +3 or -3, both of which are rational.
No. 4/9 is not a perfect square but radical(4/9) = 2/3 is rational.
Sqrt(25) is -5 or +5, both of which are rational.
The square root of 64 is 8, which is a rational number.