# Chapter 8 - Radical Functions - 8.5 Complex Numbers - 8.5 Exercises: 28

Real part = $0$ Imaginary part = $-5$

#### Work Step by Step

A complex number is written as $a+bi$, where $a$ is the real part and $b$ is the imaginary part as it is multiplied to the imaginary unit $i$. Writing the complex number as $0-5i$, we find that $0$ represents the real part while $-5$ represents the imaginary part.

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