No. Any number you can completely write down with digits, plus
a fraction bar or a decimal point if you need one, is rational.
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If you have any positive irrational number, then its negative is also irrational.
The negative of a rational number is also rational.
-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.No.No.No.
It is a rational number