Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 7 - Section 7.7 - Complex Numbers - Exercise Set - Page 463: 50

Answer

(-6i)(-4i) = -24

Work Step by Step

Directions: Perform the indicated operations. Write the result in the form a+bi. (-6i)(-4i) 24$i^{2}$ Multiply 24⋅-1 i=$\sqrt -1$ ,therefore, $i^{2}$=$\sqrt -1$ ⋅ $\sqrt -1$= -1 -24 Multiply 24 by -1 to get final answer.
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