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Q: Why does the square root of -25 have no real solution?

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You can't take the square root of a negative number. The square root of -25 is 5i. It's an imaginary number.

the square root of 25 is 5

It DOES have two real solutions: -5 and +5 so the question is misguided.

Yes. The square root of 25 is 5, which 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.

+25.

The square root of 8 over 25 is irrational, and real.

no. is not a real number

5 is the square root of 25 25 is the square root of 625 625 is the square of 25 25 is the square of 5

If by "radical" you mean "square root of", then yes. Both square roots of 25 are real numbers.

The square root of 25 is 5.

The principal root of a number is the positive real square root of the number - if it exists. Since -25 is negative, it does not have a real square root. Its square roots are the imaginary numbers +/-5i where i is the [imaginary] square root of -1. i is neither positive nor negative and so neither +5i nor -5i is a principal root.

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