hmcrooks2006 hmcrooks2006

13-03-2020
Mathematics

contestada

Which of the following is a complex number?

-7
2 + square root 3
4 + 9i
Pie

Respuesta :

altavistard altavistard

10-08-2020

Answer:

4 + 9i

Step-by-step explanation:

-7 negative number, not complex

2 + square root 3 2 + √3 real

4 + 9i complex; has real part plus imaginary part

Pie pi (not pie): π real

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