Any integer is a rational number. For example, you can write -5 as -5/1, in other words, a fraction with integers in the numerator and the denominator.
Yes.
Yes.
A negative rational (also real) number.
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.
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.
You use a negative rational number when an answer is below zero.
The negative of a rational number is also rational.
If its positive version is rational then it is rational and if not, it is not.
-16.987 is a rational number