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Well, first let's define a "real number." A real number is any number that's not imaginary. It can be rational or irrational. The square root of 7 is 2.64575131... and it goes on forever. This means it cannot be written as a simple fraction. We can give an estimate of the square root of 7 in a fraction form, but this is not the exact result. So, the square root of 7 is a irrational number.

Since a real number can be irrational or rational, yes, the square root of 7 is a real number.

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A polynomial of degree zero is a constant term

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Q: Is the square root of seven a real number?
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