Big Ideas Math - Algebra 1, A Common Core Curriculum

Published by Big Ideas Learning LLC
ISBN 10: 978-1-60840-838-2
ISBN 13: 978-1-60840-838-2

Chapter 5 - Solving Systems of Linear Equations - Maintaining Mathematical Proficiency - Page 233: 1

Answer

The graph is shown below.

Work Step by Step

The given equation is $\Rightarrow y+4=x$ Subtract $4$ from each side. $\Rightarrow y+4-4=x-4$ Simplify. $\Rightarrow y=x-4$ The slope-intercept form is $\Rightarrow y=mx+b$ $y-$ intercept is $b=-4$. Plot the $y-$ intercept $A=(0,-4)$. The slope is $m=1$. Slope $m=\frac{rise}{run}=\frac{1}{1}$ The next point is $1$ unit right and $1$ unit up from the point $(0,-4)$. Plot the point $B=(1,-3)$. Draw a line through the two points.
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