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What best describes an imaginary number?

Anonymous

∙ 7y ago

Updated: 10/31/2022

You can describe it as a number defined such that i squared = -1.You can also define the complex plane first, and then describe an imaginary number as a complex number in which the real part is zero.

Wiki User

∙ 7y ago

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More answers

An imaginary number is the square root of a negative number.

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∙ 7y ago

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Continue Learning about Math & Arithmetic

Can a number be imaginary but not pure imaginary?

Yes. The number 1 + i is imaginary but not pure imaginary, while 5i is pure imaginary.

Is the difference of a complex number and its conjugate a real imaginary or pure imaginary number?

It is a pure imaginary number.Since (a+bi)-(a-bi) = 2bi, it is a pure imaginary number (it has no real component).

Is -23 an imaginary number?

No, but √-23 is. An imaginary number is the square root of a negative number.

Are imaginary and complex numbers the same?

No. A complex number is a number that has both a real part and an imaginary part. Technically, a pure imaginary number ... which has no real part ... is not a complex number.

Is the square root of negative two an irrational number?

No, it is an imaginary number which is a complex number.

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