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.
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.
No. In general, the square root of a negative number is an imaginary number, which is not a real number.
The square root of a negative number is not real.
Yes. In general, the square root of any non-negative number is a real number.
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.
The square root of seven is a real number, but it is not a whole number.
The square root of 0 is 0, which is a real number.
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.
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.
Yes. It's 9. The square root of every positive real number is a real number.
No. In general, the square root of a negative number is an imaginary number, which is not a real number.
The square root of a negative number is not real.
Yes. In general, the square root of any non-negative number is a real number.
no. is not a real number
The square root of -6400 is not a real number because the square root of a negative number is not defined in the real number system.
Yes. The square root of 25 is 5, which is a real number.