No.
Yes, it is.
The absolute value is always positive.
Zero is rational, but it is neither positive nor negative.
Yes, it is.
That is a rational number, as are all of the integers.
Any positive number is always bigger than a negative number - whether they are rational or irrational.
The square of a negative number is always positive. The square of -8 = 64, a rational number
It is the positive value of that rational number.
A positive rational number.
Yes, it is.
The square root of any positive square number is always rational as for example the square root of 36 is 6 which is a rational number.
Every positive rational number and its negative are the two square roots of the same positive rational number.
The absolute value is always positive.
no example 2-3=-1 it can be positive: 3-2=1
Positive numbers can be either rational or irrational.
Any positive rational number.
If its positive version is rational then it is rational and if not, it is not.