Negative three is a rational number.
If it says "negative irrational", then obviously it is irrational.
If you have any positive irrational number, then its negative is also irrational.
21
-28
No. Some negative numbers are irrational and some are not. Some irrational numbers are negative and some are not.
Irrational
Not necessarily. Irrational numbers can be negative or positive.
-9
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.
Negative twenty nine minus negative twenty one is negative eight.
The negative of a rational number is also rational.