No.
Yes, it is.
The absolute value is always positive.
Zero is rational, but it is neither positive nor negative.
That is a rational number, as are all of the integers.
Yes, it is.
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.
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.
Yes, it is.
Every positive rational number and its negative are the two square roots of the same positive rational number.
Any positive rational number.
Positive numbers can be either rational or irrational.
no example 2-3=-1 it can be positive: 3-2=1
The absolute value is always positive.
If its positive version is rational then it is rational and if not, it is not.