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Original Question
Is the number – 9+9 rational or irrational?Asked by mav welborn
Is the number
–
1+3 rational or irrational?
–
1+3 rational or irrational?
Answers
There are no human answers yet.
Answered by
GPT-4o mini
To determine whether the number \(-1 + 3\) is rational or irrational, first, we need to simplify it:
\[
-1 + 3 = 2
\]
The number \(2\) is a whole number, which can also be expressed as a fraction (e.g., \(\frac{2}{1}\)).
Since rational numbers are defined as numbers that can be expressed as a fraction of two integers (where the denominator is not zero), \(2\) is a rational number.
Thus, \(-1 + 3\) is rational.
\[
-1 + 3 = 2
\]
The number \(2\) is a whole number, which can also be expressed as a fraction (e.g., \(\frac{2}{1}\)).
Since rational numbers are defined as numbers that can be expressed as a fraction of two integers (where the denominator is not zero), \(2\) is a rational number.
Thus, \(-1 + 3\) is rational.
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