Algebra 2 Common Core

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

Chapter 2 - Functions, Equations, and Graphs - 2-4 More About Linear Equations - Practice and Problem-Solving Exercises - Page 88: 69



Work Step by Step

RECALL: (i) The slope-intercept form of a line's equation is $y=mx+b$, where m=slope and b=y-intercept. (ii) The line passes through the y-axis at the point (0, b). The given line has $m=-\frac{3}{8}$, therefore its tentative equation is $y=-\frac{3}{8}x+b$. The y-intercept is (0, 12), therefore $b=12$. Thus, the equation of the line is $y=-\frac{3}{8}x+12$.
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