Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 7 - Section 7.5 - Systems of Inequalities - Exercise Set - Page 865: 90


It represents the points on the line that satisfy the set of solutions of an inequality.

Work Step by Step

In the graph, the inequality containing the symbol of greater than or equal to is known as a slack inequality, and the inequality containing the less than or equal to symbol is known as a surplus inequality. The solution set of the inequality is represented by a solid line if the inequality contains either a "greater than or equal to" or "less than or equal to symbol", which means the points that lie on the line and above or below the line are included in the solution set of the graph.
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