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Is 20 rational or irrational?
20 squared is 400 which is a rational number
Is pi squared rational?
No because pi still remains as an irrational when squared.
Is 9 squared rational or irrational?
81 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
IS 0.4 squared an irrational number?
The square of any rational number is also rational.
If x is irrational what would x be if x squared is rational?
It would simply be the irrational square root of a rational number. There is no special name for it.
Is 64 squared rational or irrational?
Rational
Is 20 squared rational or irrational?
20 squared is 400 which is a rational number
Is 29 squared a rational or irrational number?
Rational.
Is 67 squared a rational or irrational number?
Rational.
Is 6 squared rational or irrational?
Rational; 62 = 36. Any rational number that is squared is still rational.
Is 14 squared irrational?
No, it is rational.
Is 289 squared irrational?
No, it is rational.
Is 3 squared a rational or irrational?
It is a rational number as 9
Is the square root of 3 squared rational or irrational?
They are rational.
Is 0.5555 rational or irrational?
Is the square root of 28 rational or irrational
Is the square of an irrational number rational?
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.
Is negative 90 squared... this is the one with the box around it... rational or irrational and are perfect squares rational or irrational?
-90 squared is rational - it is +8100. All perfect squares are not only rational but they are integers.
