Answer
Since -3 is not part of the solution set, use an open circle. Since 3 is part of the solution set, use a solid circle.
Work Step by Step
All numbers between -3 and 3 are part of the solution set.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 3 - Solving Inequalities - 3-1 Inequalities and Their Graphs - Practice and Problem-Solving Exercises - Page 170: 63
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