# Algebra I For Dummies, 2nd Edition

ISBN: 978-0-470-55964-2
384 pages
May 2010

## Description

Factor fearlessly, conquer the quadratic formula, and solve linear equations

There's no doubt that algebra can be easy to some while extremely challenging to others. If you're vexed by variables, Algebra I For Dummies, 2nd Edition provides the plain-English, easy-to-follow guidance you need to get the right solution every time!

Now with 25% new and revised content, this easy-to-understand reference not only explains algebra in terms you can understand, but it also gives you the necessary tools to solve complex problems with confidence. You'll understand how to factor fearlessly, conquer the quadratic formula, and solve linear equations.

• Includes revised and updated examples and practice problems
• Provides explanations and practical examples that mirror today's teaching methods
• Other titles by Sterling: Algebra II For Dummies and Algebra Workbook For Dummies

Whether you're currently enrolled in a high school or college algebra course or are just looking to brush-up your skills, Algebra I For Dummies, 2nd Edition gives you friendly and comprehensible guidance on this often difficult-to-grasp subject.

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Introduction 1

Part I: Starting Off with the Basics  7

Chapter 1: Assembling Your Tools 9

Chapter 2: Assigning Signs: Positive and Negative Numbers 19

Chapter 3: Figuring Out Fractions and Dealing with Decimals 35

Chapter 4: Exploring Exponents and Raising Radicals 55

Part II: Figuring Out Factoring 91

Chapter 6: Working with Numbers in Their Prime 93

Chapter 7: Sharing the Fun: Distribution 107

Chapter 8: Getting to First Base with Factoring 127

Chapter 9: Getting the Second Degree 139

Chapter 10: Factoring Special Cases 157

Part III: Working Equations 169

Chapter 11: Establishing Ground Rules for Solving Equations 171

Chapter 12: Solving Linear Equations 183

Chapter 13: Taking a Crack at Quadratic Equations 203

Chapter 14: Distinguishing Equations with Distinctive Powers 223

Chapter 15: Rectifying Inequalities 243

Part IV: Applying Algebra 263

Chapter 16: Taking Measure with Formulas 265

Chapter 17: Formulating for Profi t and Pleasure 281

Chapter 18: Sorting Out Story Problems 291

Chapter 19: Going Visual: Graphing 311

Chapter 20: Lining Up Graphs of Lines 327

Part V: The Part of Tens 345

Chapter 21: The Ten Best Ways to Avoid Pitfalls 347

Chapter 22: The Ten Most Famous Equations 353

Index 357

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## Author Information

Mary Jane Sterling has been teaching algebra, business calculus, geometry, and finite mathematics at Bradley University in Peoria, Illinois, for more than 30 years. She is the author of Algebra Workbook For Dummies, Algebra II For Dummies, and Algebra II Workbook For Dummies.
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