Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 11 - Additional Topics - 11.4 - Complex Numbers - Concept Quiz 11.4: 2

Answer

True

Work Step by Step

The number $4+2i$ is complex because it is in the form $a+bi$, where $a$ is a real number and $bi$ is an imaginary number. Since the number $4$ does not have an $i$ attached to it, it is the real part of this complex number.
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