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 - 1.5 Finding Equations of Lines - 1.5 Exercises - Page 74: 11



Work Step by Step

Two points clearly on the line are (0,4) and (1,4). By going from one point to the other, we see that we move up 0 units and to the right 1 unit, giving us a rise/run slope of m= $0$. And since the line crosses the y-axis at x=4, b=4, our y-intercept. y=mx+b y=0(x)+4 y=4 And so our line is y=4.
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