Transcription of Integers and Introduction to Integers
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Integers and Introduction to Integers
Copyright 2011 Pearson Education, Inc. Publishing as Prentice Hall. Chapter 2 Integers and Introduction to Integers Copyright 2011 Pearson Education, Inc. Publishing as Prentice Hall. Introduction to Integers Martin-Gay, Prealgebra, 6ed 3 3 Copyright 2011 Pearson Education, Inc. Publishing as Prentice Hall. Numbers greater than 0 are called positive numbers. Numbers less than 0 are called negative numbers. negative numbers zero positive numbers 6 5 4 3 2 1 0 -1 -2 -3 -4 -5 -6 Positive and Negative Numbers Martin-Gay, Prealgebra, 6ed 4 4 Copyright 2011 Pearson Education, Inc. Publishing as Prentice Hall. Some signed numbers are Integers . negative numbers zero positive numbers 6 5 4 3 2 1 0 1 2 3 4 5 6 The Integers are { .., 6, 5, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 6.}
Consider the following pattern of products. 3 5 = 15 2 5 = 10 1 5 = 5 0 5 = 0 This pattern continues as follows. – 1 5 = - 5 – 2 5 = - 10 – 3 5 = - 15 This suggests that the product of a negative number and a positive number is a negative number. First factor decreases by 1 each time. Product decreases by 5 each time.
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