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: 14

Answer

x=-4

Work Step by Step

Two points clearly on the line are (-4,0) and (-4,1). By going from one point to the other, we see that we move up 1 units and to the right 0 unit, giving us a rise/run slope that's undefined. Since the line crosses the x-axis at (-4,0), the x intercept is b=-4. Therefore, our line is: x=-4.
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