No, it is rational.
Integers are rational. In the set of real numbers, every number is either rational or irrational; a number can't be both or neither.
Because 3 is a prime number and as such its square root is irrational
Yes.
no
The sum of the three can be rational or irrational.
No.
The square root of nine is three, and that is not an irrational number.
No, it is rational.
Integers are rational. In the set of real numbers, every number is either rational or irrational; a number can't be both or neither.
Because 3 is a prime number and as such its square root is irrational
no
Yes.
no
No, it is an irrational number.
No, it is an integer, and therefor part of the rational number system. An irrational number is, if I remember correctly, a number that goes on forever, and doesn't have a pattern like π (pi)
The square root of 15 is an irrational number and it is about 3.873 rounded to three decimal places