False. 22 = 4
nope! take the square root of 5, 2.236067978... which is not a whole number! hope this helps!
a positive integer
Yes, if it is a whole number but not if it is a fraction
A perfect square is a rational number equal to the square of a whole number.
False. 22 = 4
nope! take the square root of 5, 2.236067978... which is not a whole number! hope this helps!
Yes...because a whole number does not have an irrational part to it.
a positive integer
Yes, if it is a whole number but not if it is a fraction
No. More frequently it is not.
Yes. The square of a whole number is always a whole number. For example, 3 squared is 9, so the square root of 9 is 3. What you never have, is the square root of a whole number being a fraction that is not a whole number. The square root of a whole number is either a whole number or an irrational number. For example, the square root of 2 is irrational, because there are no 2 whole numbers a and b such that a/b squared is 2. This is not terribly difficult to prove, but I have already said too much; I have answered your question.
No, it may be not even a rational number. Square root of 2 is 1,414213562... for example.
A perfect square is a rational number equal to the square of a whole number.
The square root of 16 is 4 which is a whole number.
When the whole number is a perfect square, ie it is a whole number squared.
The square root of 15 is not a whole number.