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Solve for 'X' with this practical and easy guide to everything algebra
A solid understanding of algebra is the key to unlocking other areas of math and science that rely on the concepts and skills that happen in a foundational Algebra class. Algebra I All-In-One For Dummies is the key! With it, you'll get everything you need to solve the mystery of Algebra I.
This book proves that algebra is for everyone with straightforward, unit-based instruction, hundreds of examples and practice problems, and two quizzes for every chapter - one in the book and another (totally different!) online. From graph and word problems to the FOIL method and common algebra terminology, Algebra I All-In-One For Dummies walks you step-by-step through ALL the concepts you need to know to slay your Algebra I class.
In this handy guide, you'll also:
Algebra I All-In-One For Dummies is a must-read for Algebra students looking for an everything-in-one-book supplement to their coursework, as well as anyone hoping to brush up on their math before tackling a related subject, such as physics, chemistry, or a more advanced math topic.
Autorentext
Mary Jane Sterling taught algebra, business calculus, geometry, and finite mathematics at Bradley University in Peoria, Illinois, for more than 30 years. When she's not solving for X, she's often writing other math books, such as Trigonometry For Dummies and Finite Math For Dummies.
Klappentext
The easy way to become an algebrainiac
With Algebra I All-In-One For Dummies by your side, you can multiply, divide, factor, simplify, and graph your way to equation-solving greatness. This book breaks down the core concepts and offers plenty of examples and opportunities to work practice problems yourself. Plus, each chapter ends with a little quiz (don't worry, it won't affect your grade) so you can see just how gosh darn smart you areand you'll find the answers in the book, too. Check out this one-stop Algebra I reference and study guide, and you'll soon be an equation-solving machine. FREE 1-year access to additional chapter quizzes online! Inside
Zusammenfassung
Solve for 'X' with this practical and easy guide to everything algebra
A solid understanding of algebra is the key to unlocking other areas of math and science that rely on the concepts and skills that happen in a foundational Algebra class. Algebra I All-In-One For Dummies is the key! With it, you'll get everything you need to solve the mystery of Algebra I.
This book proves that algebra is for everyone with straightforward, unit-based instruction, hundreds of examples and practice problems, and two quizzes for every chapter one in the book and another (totally different!) online. From graph and word problems to the FOIL method and common algebra terminology, Algebra I All-In-One For Dummies walks you step-by-step through ALL the concepts you need to know to slay your Algebra I class.
In this handy guide, you'll also:
Inhalt
Introduction 1
About This Book 1
Foolish Assumptions 2
Icons Used in This Book 2
Beyond the Book 3
Where to Go from Here 3
Book 1: Starting Out With Numbers and Properties 5
Chapter 1: Assembling Your Tools: Number Systems 7
Identifying Numbers by Name 8
Realizing real numbers 8
Counting on natural numbers 8
Whittling out whole numbers 8
Integrating integers 9
Being reasonable: Rational numbers 9
Restraining irrational numbers 9
Picking out primes and composites 10
Zero: It's Complicated 10
Imagining imaginary numbers 10
Coping with complex numbers 10
Placing Numbers on the Number Line 12
Speaking in Algebra 13
Being precise with words 13
Describing the size of an expression 15
Relating operations with symbols 15
Taking Aim at Algebra-Speak 17
Herding numbers with grouping symbols 17
Defining relationships 19
Taking on algebraic tasks 20
Practice Questions Answers and Explanations 22
Whaddya Know? Chapter 1 Quiz 23
Answers to Chapter 1 Quiz 25
Chapter 2: Deciphering Signs in Expressions 27
Assigning Numbers Their Place 27
Using the number line 28
Comparing positives and negatives with symbols 29
Zeroing in on Zero 31
Going in for Operations 32
Sorting out types of operations 32
Tackling the Basic Binary Operations 35
Adding signed numbers 35
Making a Difference with Signed Numbers 38
Multiplying Signed Numbers 40
Dividing Signed Numbers 41
Working with Nothing: Zero and Signed Numbers 42
Practice Questions Answers and Explanations 44
Whaddya Know? Chapter 2 Quiz 47
Answers to Chapter 2 Quiz 48
Chapter 3: Incorporating Algebraic Properties 49
Getting a Grip on Grouping Symbols 49
Spreading, Grouping, and Changing the Order 52
Distributing the wealth 52
Making Associations Work 53
Computing by Commuting 55
Relating Inverses and Identities 56
Investigating Inverses 56
Identifying Identities 58
Working with Factorial 59
Applying the Greatest Integer Function 60
Practice Question Answers and Explanations 62
Whaddya Know? Chapter 3 Quiz 66
Answers to Chapter 3 Quiz 67
Chapter 4: Coordinating Fractions and Decimals 69
Converting Improper Fractions and Mixed Numbers 70
Finding Fraction Equivalences 72
Rewriting fractions 72
Determining lowest terms 74
Making Proportional Statements 75
Finding Common Denominators 77
Creating common denominators from multiples of factors 78
Using the box method 80
Applying Fractional Operations 81
Adding and subtracting fractions 81
Multiplying and dividing fractions 83
Simplifying Complex Fractions 86
Performing Operations with Decimals 88
Changing Fractions to Decimals and Vice Versa 89
Making fractions become decimals 90
Rounding decimals 91
Writing decimals as equivalent fractions 91
Practice Question Answers and Explanations 94
Whaddya Know? Chapter 4 Quiz 101
Answers to Chapter 4 Quiz 103
Book 2: Operating On Operations 105
Chapter 5: Taming Rampaging Radicals 107
Simplifying Radical Terms 108
Working through Radical Expressions 109
Recognizing perfect square terms 109
Rewriting radical terms 110
Rationalizing Fractions 113 Mana...