Algebra 1: Common Core (15th Edition)

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




Work Step by Step

A single line on the graph with two endpoints means that x is between the two endpoints. Open circles at the endpoints mean the number at the endpoint is not part of the solution set, so the inequality operator does not include "or equal to."
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