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 - Concept and Vocabulary Check - Page 862: 4

Answer

The given statement is False. The correct statement is: the graph of $2x-3y>6$ does not include the line $2x-3y=6$.

Work Step by Step

We have to plot the graph of the inequality $2x-3y>6$, by replacing the inequality symbol by the equals symbol. $2x-3y=6$ gives the true solution of all of those $\left( x,y \right)$ for which $2x-3y$ is equal to $6$. The inequality $2x-3y>6$ gives the true solution of all of those $\left( x,y \right)$ for which $2x-3y$ is greater than $6$, since $2x-3y>6$ does not contain the equal sign. Hence, $2x-3y=6$ is not included in the solution of $2x-3y>6$.
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