9 is a rational number
No, 9 plus pi is not a rational number. While 9 is a rational number, since it can be expressed as a fraction (9/1), pi is an irrational number, meaning it cannot be expressed as a fraction of two integers. The sum of a rational number and an irrational number is always irrational, so 9 plus pi remains irrational.
no. it is 9
No, it is rational.
No.
The square root of 9 is irrational
9 is a rational number
Yes 9 times pi is an irrational number because it can't be expressed as a fraction
No
No, it is rational.
-9 is a rational number
Any of the numbers which cannot be expressed as a ratio of two integers is irrational.
No, it is rational.
no. it is 9
No.
No, it is rational.
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