No, -81 is not an irrational number because it can be represented in the form
x/y = -81
Chat with our AI personalities
No
No because the square root of 81 is 9 which is a rational number
81*81 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.
no. it is 9
An irrational number.