Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 10 - Radical Expressions and Equations - Common Core Cumulative Standards Review - Selected Response - Page 660: 19

Answer

Mr. Wong stopped two times.

Work Step by Step

In the graph, we can see that there are two times where the slope is 0. This means that the distance did not change over time, meaning Mr. Wong's car was stopped. In other words, Mr. Wong stopped twice since there are two distinct locations where the slope is 0.
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