Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 5 - Linear Functions - Chapter Test - Page 353: 2



Work Step by Step

Slope-intercept form: $y=mx+b$. The slope is going upwards, so we know it is positive. We calculate the slope by using the $\frac{rise}{run}$ run method. From point (0,4) to point (2,5), we move up 1 and right 2. So, the slope or $m$ value is $\frac{1}{2}$. The y-intercept on the graph is at (0,4), so our $b$ value is 4.
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