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Yes, all real numbers are complex numbers.

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11y ago
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lenpollock

Lvl 16
1y ago

NO!!!!

It is a negative number.

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Q: Is -7 a complex number
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Related questions

What is complex conjugate for the number 9-5i?

The conjugate is 7 - 3i is 7 + 3i.


What is the complex conjugate of the following complex number 7 plus 5i?

The conjugate is 7-5i


What is the conjugate of the complex number 7-4i?

To get the conjugate simply reverse the sign of the complex part. Thus conj of 7-4i is 7+4i


Solve 7-24i complex number?

31


If you divide 4 by the square root of -7 and then times that by the square root of sin30 how many swag points will you gain?

I am not sure what you want to calculate; anyway, the square root of a negative number is a complex number: in this case, "i" multiplied by the square root of 7. The remaining calculations will also result in complex numbers. When you calculate points, you usually want a real number, not a complex number.


Adjoint operator of a complex number?

Adjoint operator of a complex number?


What is another name for absolute value of a complex number?

The absolute value of a complex number is the magnitude of the number, which is found from sqrt(a² + b²) for the complex number a + bi


What is complex conjugate for the number 7 3i?

The complex conjugate of a number in the form a + bi is simply the same number with the sign of the imaginary part changed. In this case, the number is 7 + 3i, so its complex conjugate would be 7 - 3i. This is because the complex conjugate reflects the number across the real axis on the complex plane.


What is complex conjugate for the number 7-3i?

[7 - 3i] To find the conjugate: the sign of the real part stays the same, and the sign of the imaginary part is reversed. So the conjugate of [7 + 3i] is [7 - 3i]


Can a complex number be a pure imaginary number?

Yes. And since Real numbers are a subset of complex numbers, a complex number can also be a pure real.Another AnswerYes, for example: (0 + j5) is a complex number, whose 'real' number is zero.


What do you get if you raise a real number to a complex number?

You get a complex number unless the real number happens to be 0 or 1.


What is the graphical relationship between a conjugate number and a complex number?

Graphically, the conjugate of a complex number is its reflection on the real axis.