No. It is not defined if the rational number happens to be 0.
No. It's always irrational.
Irrational.
No.A rational times an irrational is never rational. It is always irrational.
It is always irrational.
It will be irrational.
It is always irrational.
The product of a rational and irrational number can be rational if the rational is 0. Otherwise it is always irrational.
The product of an irrational number and a rational number, both nonzero, is always irrational
Such a product is always irrational - unless the rational number happens to be zero.
An irrational number is a number that is not rational. A rational number is a number that can be expressed as the quotient of two integers, the divisor not being zero.
Irrational. If you multiply a rational number by an irrational number, you will always get an irrational number (except if the rational number happens to be zero).
If an irrational number is added to, (or multiplied by) a rational number, the result will always be an irrational number.