Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 1 - Linear Functions - 1.3 Fundamentals of Graphing and Slope - 1.3 Exercises - Page 51: 7


see graph below

Work Step by Step

$\bf{\text{Solution Outline:}}$ Use table of values to graph the given equation, $ y=2x+3 .$ $\bf{\text{Solution Details:}}$ If $x=-1,$ then \begin{array}{l}\require{cancel} y=2x+3 \\\\ y=2(-1)+3 \\\\ y=1 .\end{array} If $x=0,$ then \begin{array}{l}\require{cancel} y=2x+3 \\\\ y=2(0)+3 \\\\ y=3 .\end{array} If $x=1,$ then \begin{array}{l}\require{cancel} y=2x+3 \\\\ y=2(1)+3 \\\\ y=5 .\end{array} The summary is shown in the table of values below. Use these values to get the graph of the given equation.
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