Answer
Is every real number also a complex number? Yes.
Work Step by Step
All complex numbers are composed of a real number and an imaginary number (a+bi). If the imaginary number (b) is zero then the complex number is only a real number (a).
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 1 - Section 1.6 - Complex Numbers - 1.6 Exercises - Page 63: 5
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