Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.6 - Complex Numbers - 1.6 Exercises: 2


For the complex number 3+4i, the real part is 3, and the imaginary part is 4i.

Work Step by Step

3 + 4i is a complex number, composed of a real number and an imaginary number. Since 4 is multiplied by i (an imaginary number) it is is the imaginary part of the complex number and 3, a real constant, is the real part of the complex number.
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