Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 4 - An Introduction to Functions - 4-4 Graphing a Function Rule - Practice and Problem-Solving Exercises - Page 259: 40


The graphs are shown below. Changing the k-value vertically shifts the graph up or down.

Work Step by Step

In the function rule y=|x|+k, changing the value of k, moves the graph up or down. If k is positive the graph moves up, if k is negative the graph moves down. For example, y=|x|+1, k=1 so the graph moves up one unit. And for y=|x|-3, k=-3 so the graph moves down three units.
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