Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 2 - Functions, Equations, and Graphs - 2-4 More About Linear Equations - Practice and Problem-Solving Exercises - Page 87: 38


Graph of $x+3=0$

Work Step by Step

Using the properties of equality, the given equation, $ x+3=0 ,$ is equivalent to \begin{align*} x+3-3&=0-3 \\ x&=-3 .\end{align*} The graph of $x=a$ is a vertical line passing through $(a,0).$ Hence, the graph of the equation above is a vertical line passing through $(-3,0)$.
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