Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 5 - Linear Functions - 5-3 Slope-Intercept Form - Practice and Problem-Solving Exercises - Page 312: 25



Work Step by Step

You have to put it into slope-intercept form. Use two points (2,0)(1,2) and use the slope formula (m=$\frac{y2-y1}{x2-x1}$): m=$\frac{2-0}{1-2}$=$\frac{2}{-1}$=-2. The slope is -2. Plug it into the slope-intercept form: y=mx+b 0=2(-2)+b b=4 Now, put the values into the equation: y=-2x+4
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