Yes
Yes, it is.
It is rational. It is rational. It is rational. It is rational.
It is a negative number. It is also a rational number; also, it's a real number.
It is the positive value of that rational number.
No, -5 is a negative, rational number.
It is all of the except irrational.
It is rational.
Any rational positive number is still rational when you make the same number negative.
It is the smallest non-negative rational number. Negative numbers are rational and are smaller.
The negative of a rational number is also rational.
You use a negative rational number when an answer is below zero.