Yes because it can't be expressed as a fraction
The square root of 11 is an irrational number
no because 11 is an odd nummber and 12 is a even and a odd cant go in a even number
No, it is rational.
No.
No.
The square root of 121 is 11 which is not an irrational number.
It is composite.
No, since -11 can be represented in the form p/q = -11.
Yes
none
5/11 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.