Q: Is the square root of negative two an irrational number?

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Irrational.

Yes.

No, it is neither rational nor irrational. It is a complex number.

The negative square root of 49 is -7. -7 is whole, integer, and rational number. It's not a natural or irrational number.

No, an irrational number is, in simple terms, a number that keeps repeating. The square root of 4 is positive or negative 2, which does not repeat and is therefore rational.

Related questions

Irrational.

No, it is not irrational because it is a square root of a negative number - which falls into the set of Complex numbers. Irrational numbers can not have an imaginary component.

The square root of 51 is an irrational number and it is about 7.14128429

It is neither because the square root of -18 is an imaginary number but the square root of 18 is irrational

Neither. All irrational numbers are real numbers.Using the real number system you can't take the square root of a negative number, but if you're dealing with imaginary numbers then the square root of negative 3 is the square root of 3i

The square root of negative 36 is an imaginary number and therefore not an irrational number. For a number to be irrational it must first be real.

It's irrational/not a real number

Yes.

yes; the negative square root of 2 is irrational, for example.

If the positive square root (for example, square root of 2) is irrational, then the corresponding negative square root (for example, minus square root of 2) is also irrational.

No, it is neither rational nor irrational. It is a complex number.

The negative square root of 49 is -7. -7 is whole, integer, and rational number. It's not a natural or irrational number.