A Problem Solving Approach to Mathematics for Elementary School Teachers, Books a la Carte Edition plus NEW MyLab Math with Pearson eText - Access Card Package (12th Edition)

12th Edition

ISBN: 9780133865479

Author: Rick Billstein, Shlomo Libeskind, Johnny Lott

Publisher: PEARSON

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Textbook Question

Chapter 5.1B, Problem 26A

ASSESSMENT

Find all integers x , if there are any, such that the following are true.

a. \| x \| − = 2	b. \| x \| − is negative.
c. \| x \| − is positive.	d. x − + 1 is positive.
e. x − − 1 is negative.

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Chapter 5.1B, Problem 25A

Chapter 5.1B, Problem 27A

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Chapter 5 Solutions

A Problem Solving Approach to Mathematics for Elementary School Teachers, Books a la Carte Edition plus NEW MyLab Math with Pearson eText - Access Card Package (12th Edition)

Ch. 5.1 - A turnpike driver had car trouble. He knew that he...Ch. 5.1 - Prob. 2MC Ch. 5.1 - Prob. 3MC Ch. 5.1 - Prob. 4MC Ch. 5.1 - Prob. 5MC Ch. 5.1 - Prob. 6MC Ch. 5.1 - Describe a realistic word problem that models...Ch. 5.1 - Prob. 8MC Ch. 5.1 - Prob. 9MC Ch. 5.1 - Investigate how tides are measured and design an...

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a. \| x \| − = 2	b. \| x \| − is negative.
c. \| x \| − is positive.	d. x − + 1 is positive.
e. x − − 1 is negative.

ASSESSMENT Find all integers x , if there are any, such that the following are true. a . | x | − = 2 b . | x | − is negative. c . | x | − is positive. d. x − + 1 is positive. e . x − − 1 is negative.

Solution Summary: The author explains that the condition -left|xright|=2 is true for all integers.

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