I don't knw all the possible numbers, but π is an example. π2 is irrational such as π.
It would simply be the irrational square root of a rational number. There is no special name for it.
x is an irrational number
12 squared is not irrational. It's 144 .
20 squared is not an irrational number. 202 = 400.
The roots are unequal and irrational 6.701562118716424 and 0.29843788128357573...
No
Yes and the area of any circle is an irrational number because its area is pi*radius squared whereas pi is an irrational number.
x2 +5x+150 factors of 150 are ... actually this is an irrational equation
Sometimes. eg the irrational number √2 squared is 2 which is rational (2 = 2/1) eg the irrational number √(√2) squared is √2 which is irrational.
5 squared is 5*5 is 25. 25 is not an irrational number.
No, it is rational.
No, it is rational.