Irrational. The square root of a positive integer is either an integer (that is, if the integer is a perfect square), or an irrational number.
Yes. The square root of a positive integer can only be an integer (if your integer is a perfect square), or an irrational number (if it isn't).
a positive integer
No. The square root of a positive integer is either a whole number or it is irrational.
0
The square of a positive number is positive. By the way, the square of a negative number is also positive.
No. The square root of a positive integer can only be an integer, or an irrational number.
It is a natural number. It is a positive integer. It is a positive rational number. It is a positive real number. It is a perfect square. It is a three digit integer. It is a palindromic integer. Probably many other sorts.
Irrational. The square root of a positive integer is either an integer, or an irrational number.
Irrational. The square root of a positive integer is either an integer (that is, if the integer is a perfect square), or an irrational number.
Yes. The square root of a positive integer can only be an integer (if your integer is a perfect square), or an irrational number (if it isn't).
a positive integer
The square root of 27 is an irrational number
The square root of 61 is an irrational number
No. The square of a positive number is positive; the square of a negative number is also positive; and the square of zero is zero. If you want to square a number and get a negative result, you need complex numbers. For example, the square of 2i is -4.
The fifth square number of a positive integer is equal to 52 = 25.
9,11,13