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The square roots of any positive real number are a positive

and a negative real number.

The square roots of any negative real number are a positive

and a negative imaginary number.

The square roots of any imaginary number or any complex number

are two complex numbers.

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Q: Is the square root a real number?
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Related questions

What is the real number root of -25?

There is no real number [square] root of a negative number. There is a real cube root and a real fiftth root etc, but root, by itself, implies square root.


Is the square root of 7 a real number?

The square root of seven is a real number, but it is not a whole number.


Is the square root of 0 a real number?

The square root of 0 is 0, which is a real number.


Is the square root of 24 real complex or imaginary?

The square root of any positive real number (as in this case) is a real number. (Such square roots are usually irrational.)The square root of a negative real number, such as the square root of -15, is an imaginary, and therefore also a complex, number.


Can a number with a square root be a real number?

Of course, not only can it be a real number but it is a real number. When you take the square root times itself, the result is a number that is real.


Is the square root of 3 a real number?

Yes, the square root of 3 is a real number. (It is not imaginary. The square root of a negative number is imaginary.) The square root of 3 is not a rational number. It cannot be written as a fraction.


Is the square root of 81 a real number?

Yes. It's 9. The square root of every positive real number is a real number.


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.


How do you do a square root of a negative number that is not a perfect square?

The square root of a negative number is not real.


Is the square root of 2 a real number?

Yes. In general, the square root of any non-negative number is a real number.


Is the square root of 25 a real number?

no. is not a real number


Is the root of 25 a real number?

Yes. The square root of 25 is 5, which is a real number.