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 - Page 493: 6



Work Step by Step

Since complex numbers are written in the form $a+bi$, where $a$ is the real part and $b$ is the imaginary part, if the imaginary part is $0i$, then the number is purely real. Therefore, it is acceptable to write real numbers in the form $x+0i$.
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