No
8 is an integer as is -8, all integers are rational.
Irrational
It is irrational.
No, they can be rational or irrational. The sign of a number has nothing to do with it.
Irrational.
Negative 8, which can also be written as -8, is a irrational l number. How? Irrational numbers are numbers that are not rational, and -8 is not rational.
No.
8 is an integer as is -8, all integers are rational.
If it says "negative irrational", then obviously it is irrational.
If you have any positive irrational number, then its negative is also irrational.
It is rational. It can be expressed as a fraction: -8⅓.
Irrational
Not necessarily. Irrational numbers can be negative or positive.
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. Negatives can be rational or irrational - each one is the same as its positive counterpart.
No. Irrational and rational numbers can be non-negative.