irrational
It is a rational number
As √10 is irrational, 18 + √10 is irrational.
It is irrational.
Sqrt(18/2) =Sqrt(9) =3 which is rational.
No. A rational plus an irrational is always an irrational.
-18
It is a rational number
As √10 is irrational, 18 + √10 is irrational.
It is irrational.
4.6 is rational.
Rational
Sqrt(18/2) =Sqrt(9) =3 which is rational.
It is neither because the square root of -18 is an imaginary number but the square root of 18 is irrational
Rational.
If x is rational the it is rational. If x is irrational then it is irrational.
No. √324 = 18 = 18/1 = a rational number.
No, because 3.6 can be expressed as a fraction in the form of 18/5 which is a rational number