College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 1, Equations and Graphs - Chapter 1 Review - Concept Check - Page 169: 16


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Work Step by Step

A complex number is a number that has imaginary numbers and can be expressed in the form $a+i*b$ $a,b$ are real numbers and $i^2=-1$ The complex number $28+4*i$ has real part $28$ and imaginary part $4$.
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