Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 3 - Solving Inequalities - 3-5 Working With Sets - Practice and Problem-Solving Exercises - Page 199: 64

Answer

Draw an open circle on 8 and draw the line to the left. Draw a closed circle on 10 and draw the line to the right.
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Work Step by Step

$c\lt8$ means that all real numbers for the value of c are less than 8. Since c does not equal 8 put an open circle on 8 and draw the line to the left. $c\geq10$ means that all real numbers for the value of c are greater than or equal to 10. Since c can equal 10, put a shaded/closed circle on 10 and draw a line to the right.
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