sarahcarruth77 sarahcarruth77

05-03-2019
Mathematics

contestada

Which of the following is a complex number?

A. -7
B. 2 + square root of 3
C. 4 + 9i
D. pi

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

05-03-2019

Answer:

C 4+9i

Step-by-step explanation:

A complex number has to have a real and imaginary part.

It is in the form a+bi

A. -7 real

B. 2 + square root of 3 real

C. 4 + 9i real + imaginary = complex

D. pi real

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