PP Section 1.1 - SetsofRealNumbers In this section we will...

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Sets of Real Numbers In this section we will learn about The integers The rational numbers The number line The real numbers Intervals of real numbers Absolute value Opposites
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The Integers The  integers  are the whole numbers and the  negatives of the counting numbers:                …,-4, -3, -2, -1, 0, 1, 2, 3, 4… The  natural numbers  or  counting numbers   are:  1, 2, 3, 4,… The negatives of the counting numbers are:  - 1, -2, -3, -4,… The  whole numbers  are: 0, 1, 2, 3, 4,…
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The Rational Numbers The  rational numbers  are the fractions. numerator denominator Both the numerator and denominator are integers. The denominator  can  NOT  be zero. 7 2
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Examples of Rational Numbers 10 2 1 3 13 8 - 4 1 - 15 6 - - Notation: 13 8 - 13 8 - = 13 8 - = 15 6 - - 15 6 = All integers are rational numbers.
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The Number Line The number line is a diagram used to visualized 
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This note was uploaded on 01/22/2011 for the course MATH 2 taught by Professor Gardner during the Fall '08 term at Irvine Valley College.

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PP Section 1.1 - SetsofRealNumbers In this section we will...

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