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1.3 Exercise 123

Avg difficulty 2.5

Stock Market The week of September 15, 2008 was one of the most volatile weeks ever for the US stock market. The closing numbers of the Dow Jones Industrial Average each day were:

Monday −504−504
Tuesday +142+ 142
Wednesday −449−449
Thursday +410+ 410
Friday +369+ 369

What was the overall change for the week? Was it positive or negative?

OpenStax Elementary Algebra 2e, 1.3 Add and Subtract Integers, exercise 123

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Adapted from Elementary Algebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Elementary Algebra 2e. Imported at revision 77a933c.