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Earn +20 ptsQ: Is negative 15 a real number?
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What is -15 in the real number system?
A negative integer
Is the square root of negative 11 a real number?
No. In general, the square root of a negative number is an imaginary number, which is not a real number.
Is 15 a real number?
As an integer, 15 is a real number.
What kind of number is -0625?
It is a negative integer, a negative rational integer, a negative real number.
Is the square root of any real number always a real number?
No, it is not, because real numbers include negative numbers. The square root of a negative number is an imaginary number
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