Book description
The fun and easy way to learn precalculus
Getting ready for calculus but still feel a bit confused? Have no fear. PreCalculus For Dummies is an unintimidating, handson guide that walks you through all the essential topics, from absolute value and quadratic equations to logarithms and exponential functions to trig identities and matrix operations.
With this guide's help you'll quickly and painlessly get a handle on all of the concepts — not just the number crunching — and understand how to perform all precalc tasks, from graphing to tackling proofs. You'll also get a new appreciation for how these concepts are used in the real world, and find out that getting a decent grade in precalc isn't as impossible as you thought.
Updated with fresh example equations and detailed explanations
Tracks to a typical precalculus class
Serves as an excellent supplement to classroom learning
If "the fun and easy way to learn precalc" seems like a contradiction, get ready for a wealth of surprises in PreCalculus For Dummies!
Table of contents
 Cover
 Table of Contents
 Title Page
 Introduction

Part I: Set It Up, Solve It, Graph It
 Chapter 1: PrePreCalculus
 Chapter 2: Playing with Real Numbers

Chapter 3: The Building Blocks of PreCalc: Functions
 Qualities of Even and Odd Functions and Their Graphs
 Dealing with Parent Functions and Their Graphs
 Transforming the Parent Graphs
 Graphing Functions that Have More than One Rule: PieceWise Functions
 Calculating Outputs for Rational Functions
 Putting the Output to Work: Graphing Rational Functions
 Sharpen Your Scalpel: Operating on Functions
 Turning Inside Out with Inverse Functions
 Chapter 4: Digging Out and Using Roots to Graph Polynomial Functions
 Chapter 5: Exponential and Logarithmic Functions

Part II: The Essentials of Trigonometry

Chapter 6: Circling in on Angles
 Introducing Radians: Circles Weren’t Always Measured in Degrees
 Trig Ratios: Taking Right Triangles a Step Further
 Understanding How Trig Ratios Work on the Coordinate Plane
 Building the Unit Circle by Dissecting the Right Way
 Digesting Special Triangle Ratios
 Triangles and the Unit Circle: Working Together for the Common Good
 Measuring Arcs: When the Circle Is Put in Motion
 Chapter 7: Simplifying the Graphing and Transformation of Trig Functions
 Chapter 8: Identifying with Trig Identities: The Basics
 Chapter 9: Advanced Identities: Your Keys to PreCalc Success
 Chapter 10: Taking Charge of Oblique Triangles with the Laws of Sines and Cosines

Chapter 6: Circling in on Angles

Part III: Analytic Geometry and System Solving
 Chapter 11: Plane Thinking: Complex Numbers and Polar Coordinates

Chapter 12: Slicing Cones or Measuring the Path of a Comet  with Confidence
 Cone to Cone: Identifying the Four Conic Sections
 Going Round and Round: Graphing Circles
 Riding the Ups and Downs with Parabolas
 The Fat and the Skinny on the Ellipse (A Fancy Word for Oval)
 Pair Two Parabolas and What Do You Get? Hyperbolas
 Expressing Conics Outside the Realm of Cartesian Coordinates

Chapter 13: Streamlining Systems, Managing Variables
 A Primer on Your SystemSolving Options
 Finding Solutions of TwoEquation Systems Algebraically
 Solving Systems with More than Two Equations
 Decomposing Partial Fractions
 Surveying Systems of Inequalities
 Introducing Matrices: The Basics
 Simplifying Matrices to Ease the Solving Process
 Conquering Matrices
 Chapter 14: Sequences, Series, and Expanding Binomials for the Real World
 Chapter 15: Scouting the Road Ahead to Calculus
 Part IV: The Part of Tens
 Cheat Sheet
Product information
 Title: PreCalculus For Dummies, 2nd Edition
 Author(s):
 Release date: June 2012
 Publisher(s): For Dummies
 ISBN: 9781118239599
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