Problem Solving Approach to Mathematics for Elementary School Teachers

13th Edition

ISBN: 9780135184097

Author: BILLSTEIN

Publisher: PEARSON CO

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Textbook Question

Chapter 5.1A, Problem 25A

Classify each of the following as true or false for all values of x and y. If false, show a counterexample that makes it false.

a. | x − | = | x |

b. | x − y | = | y − x |

c. | x − + y − | = | x + y |

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Chapter 5.1A, Problem 24A

Chapter 5.1A, Problem 26A

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Chapter 5 Solutions

Problem Solving Approach to Mathematics for Elementary School Teachers

Ch. 5.1 - Prob. 1MC 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 - a. I chose an integer. I then subtract 10 from the...Ch. 5.1 - Investigate how tides are measured and design an...

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Classify each of the following as true or false for all values of x and y . If false, show a counterexample that makes it false. a. | x − | = | x | b. | x − y | = | y − x | c. | x − + y − | = | x + y |

Solution Summary: The author explains that the given statement is true or false for all value of x and y.

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Chapter 5 Solutions