Algebra 2 Common Core

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

Chapter 3 - Linear Systems - 3-1 Solving Systems Using Tables and Graphs - Practice and Problem-Solving Exercises - Page 138: 7



Work Step by Step

You are given the equations $y=x-2$ and $y=-2x+7$. Plot the lines on a graph and make a straight line.The lines intersect at $(3,1)$. Check to see if $(3,1)$ satisfy the equations: $y=x-2$ and $y=-2x+7$ $1=3-2$ and $1=-6+7$ $1=1$ and $1=1$ The solutions are true so the point $(3,1)$ is a true solution.
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