Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 7 - Algebra: Graphs, Functions, and Linear Systems - 7.2 Linear Functions and Their Graphs - Concept and Vocabulary Check: 7

Answer

horizontal

Work Step by Step

RECALL: The graph of a line whose equation is $y=k$ is a horizontal line whose y-intercept is $k$. The given line $y=3$ has $k=3$. Thus, its graph is a horizontal line whose y-intercept is $3$. Therefore, the missing expression in the given statement is: horizontal
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