Answer
It changes the y-intercept.
Work Step by Step
The number being added to x, b, is always the y-intercept in the form y=mx+b. Thus, by changing what number b is, we change where the graph intersects the y-axis.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 5 - Linear Functions - Concept Byte - Page 307: 7
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