hmcrooks2006
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 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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