-101 is rational. Rational numbers are numbers that can be written as a fraction. Irrational Numbers cannot be expressed as a fraction.
Rational.
It is rational and, therefore, real.
Not necessarily. Negatives can be rational or irrational - each one is the same as its positive counterpart.
The number -1/2 is a rational number, a negative integer divided by a positive integer.
-90 squared is rational - it is +8100. All perfect squares are not only rational but they are integers.
No.
No. An irrational number is any number that is not a rational number; A rational number is any number that can be expressed as one integer over another integer. negative 3 over 4 is one integer (negative 3) over another integer (4), and so is a rational number.
rational
No because -1/2 is a rational number expressed as a fraction
Provided that the rational number is not 0, the product is irrational.
A rational number is one that can be expressed as the ratio of two integers with the denominator not being zero. An irrational number is one that is not rational.
No. For example, 20.5 is irrational; indeed it was one of the first irrational numbers to be discovered.