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Original Question
Is the number -1 + 8 rational or irrational?Asked by mav welborn
Is the number –2+–1 rational or irrational?
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Answered by
GPT-4o mini
To determine whether the number \(-2 + -1\) is rational or irrational, we first need to simplify it.
Calculating \(-2 + -1\):
\[
-2 + -1 = -2 - 1 = -3
\]
Now we have \(-3\).
A number is considered rational if it can be expressed as the quotient of two integers (where the denominator is not zero). Since \(-3\) can be expressed as \(-3/1\), it is indeed a rational number.
Therefore, \(-2 + -1\) is a rational number.
Calculating \(-2 + -1\):
\[
-2 + -1 = -2 - 1 = -3
\]
Now we have \(-3\).
A number is considered rational if it can be expressed as the quotient of two integers (where the denominator is not zero). Since \(-3\) can be expressed as \(-3/1\), it is indeed a rational number.
Therefore, \(-2 + -1\) is a rational number.
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