Which of the following is an integer?
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Detailed Explanation
An integer is any positive or negative whole number or zero. Therefore, -9 is an integer.
\( \frac{\mathrm{3} }{\mathrm{4} } \) and 0.5 are not integers because they are not whole numbers.
The square root of 42 is approximately 6.48 and therefore not an integer.
\( \frac{\mathrm{3} }{\mathrm{4} } \) and 0.5 are not integers because they are not whole numbers.
The square root of 42 is approximately 6.48 and therefore not an integer.
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