Yes, it is.
-1,0,or 1 the negative square root of four is negative two and the square root of four is two
Sure, you are dividing an integer by another integer, so the result is rational by definition.
Yes, four is a rational number.
yes
Yes, it is.
Yes - any integers, including negative integers, are rational numbers.
It is rational and, therefore, real.
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.
-1,0,or 1 the negative square root of four is negative two and the square root of four is two
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.
Sure, you are dividing an integer by another integer, so the result is rational by definition.