Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 1 - Equations and Inequalities - 1.1 Linear Equations - 1.1 Exercises - Page 92: 10

Answer

Option $(B)$

Work Step by Step

A linear equation is an equation whose variable's greatest degree is $1$. The equations in $A$, $C$, and $D$ have variables whose greatest degree is $1$ so all of them are linear equations. The equation in $B$ involves a variable whose greatest degree is $2$. Thus, the equation is not linear.
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