If it says "negative irrational", then obviously it is irrational.
I think it is
-16.987 is a rational number
Any positive number is always bigger than a negative number - whether they are rational or irrational.
Any number that is less than 0. Any rational irrational or integral number that is less than 0 is considered negative.
If you have any positive irrational number, then its negative is also irrational.
A negative irrational number can be thought of as an irrational number multiplied by -1, or an irrational number with a minus sign in front of it.
The negative of a rational number is also rational.
Not necessarily. Irrational numbers can be negative or positive.
No, they can be rational or irrational. The sign of a number has nothing to do with it.
-Pi is irrational, because it does not terminate or repeat. Whenever you multiply an irrational number by a rational number (-1), the result is an irrational number.
No. Irrational and rational numbers can be non-negative.