Yes.
It's rational. It's the ratio of -1 to 9 .
-1/9 is rational because it can be expressed as a fraction (ratio).
-9 is a rational number
Minus two.Some rational numbers are positive, some are negative. -9 is a negative rational number.
yes
-19 is a rational number, since it can be expressed in fraction form (-19/1).
No, it is rational.
Yes.
Yes, it is.
Yes and it is 1/3
Yes.
Yes. All positive and negative integers are rational numbers.