Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 1 - Section 1.3 - Introduction to Geometric Proof - Exercises - Page 56: 37

Answer

ac>bc

Work Step by Step

We see that c is less than 0, so c is a negative number. Thus, a times c and b times c will be both negative. Since a is less than b, a times c will be less negative than b times c, so ac is greater than bc.
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