Easy Algebra Step-by-Step

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Easy Algebra STEP-BY-STEP Master High-Frequency Concepts and Skills for Algebra Profi ciency—FAST! New York Chicago San Francisc ...

Copyright © 2012 by The McGraw-Hill Companies, Inc. All rights reserved. Except as permitted under the United States Copyright A ...

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1 Numbers of Algebra Preface vii Natural Numbers, Whole Numbers, and Integers Rational, Irrational, and Real Numbers Properties ...

vii Easy Algebra Step-by-Step is an interactive approach to learning basic alge- bra. It contains completely worked-out sample s ...

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1 1 Numbers of Algebra The study of algebra requires that you know the specifi c names of numbers. In this chapter, you learn ab ...

2 Easy Algebra Step-by-Step Likewise, 844 = 2 is a natural number, but 83 is not. When you include the number 0 with the set of ...

Numbers of Algebra 3 The set consisting of the whole numbers and their opposites is the set of integers (usually denoted Z): Z = ...

4 Easy Algebra Step-by-Step Step 2. The number that is 4 units to the right of 0 is 4. Therefore, 4 is the opposite of − 4. Prob ...

Numbers of Algebra 5 nates, and 2 3 = 0. 666 ... is a rational number whose decimal representation repeats. You can show a repea ...

6 Easy Algebra Step-by-Step There are infi nitely many other roots—square roots, cube roots, fourth roots, and so on—that are ir ...

Numbers of Algebra 7 e.^35 f.^2 3 Solution Step 1. Recall the various sets of numbers that make up the real numbers: natural num ...

8 Easy Algebra Step-by-Step Problem Graph the real numbers − 42 − 5 3 4 ,. 2 3 , 4 , 0 3 eand 3.6. Solution Step 1. Draw a numbe ...

Numbers of Algebra 9 Examples (2 · 7) is a real number. 1 3 5 8 ⎛ ⋅ ⎝ ⎛⎛⎛⎛ ⎝⎝ ⎛⎛⎛⎛ ⎞ ⎠ ⎞⎞⎞ ⎠⎠ ⎞⎞⎞⎞ is a real number. [(2.5)(10.3 ...

10 Easy Algebra Step-by-Step Associative Property of Multiplication. (ab)c = a(bc). This property says that when you have three ...

Numbers of Algebra 11 Examples 66 =− 666 = 0 74 .. 4373743 =− 74 .. 4373777. 4343 = 0 Multiplicative Inverse Property. For ever ...