Answer
True
Work Step by Step
a+bi is a complex number, but when b=0 that is still a complex number. when b=0 then the complex number =a (the real part), showing that all real numbers are complex numbers
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 8 - Section 8.1 - Complex Numbers - 8.1 Problem Set - Page 425: 12
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