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 - Page 52: 51


incorrect Slope: $4$ $y$-intercept: $(0,-9)$

Work Step by Step

$y=4x-9$ The slope is the coefficient of $x$, and the constant term is the $y$ value in the $y$-intercept of $(0,y)$. Slope: $4$ $y$-intercept: $(0,-9)$ The student was not correct. The student switched the $0$ and the $y$ value in the $y$-intercept.
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