Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 1 - Linear Functions - 1.3 Fundamentals of Graphing and Slope - 1.3 Exercises: 52

Answer

incorrect Slope: $-\frac{1}{3}$ $y$-intercept: $(0,\frac{4}{3})$

Work Step by Step

$y=-\frac{1}{3}x+\frac{4}{3}$ The slope is the coefficient of $x$, and the constant term is the $y$ value in the $y$-intercept of $(0,y)$. Slope: $-\frac{1}{3}$ $y$-intercept: $(0,\frac{4}{3})$ The student was not correct. The student mixed up the slope and $y$ value of the $y$-intercept.
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