12 squared is not irrational. It's 144 .
The square root of 12 is an irrational number
The square root of 12 is an irrational number
Irrational.
It is a rational number
-18
Not irrational, 12 squared equals 144.
The square root of 12.1 is an irrational number
-12 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
rational
12 is the ratio of 12 and 1 ... nice and rational.
It is not an irrational number but is each of the others.