# Algebra I Essentials For Dummies

From the Back Cover

Just the critical concepts you need for cramming, homework help, and reference

Whether you’re cramming, you’re studying new material, or you just need a refresher, this compact guide gives you a concise, easy-to-follow review of the most important concepts covered in a typical Algebra I course. Free of review and ramp-up materials, it lets you skip right to the parts where you need the most help. It’s that easy!

Set the scene — get the lowdown on everything you’ll encounter in algebra, from words andsymbols to decimals and fractions

Plant your roots (and exponents) — find out how powers and roots factor into algebra problems

Play by the rules — follow alongside easy-to-grasp explanations to solve linear, quadratic, and cubic equations

Get a grip on graphing — learn how to graph a line, incorporate intercepts, and compute slopes

Tell a story — discover how to use algebra to solve everyday problems, from making sense of financial investments to calculating distance formulas

Open the book and find:

Quick, focused lessons on key topics

The basic rules of algebra

How to change decimals to fractions (and vice versa)

Guidance on getting numbers and variables to cooperate

Tips for facing the factoring method

When to use FOIL

How to work with inequalities

Sample equations for you to test your skills

Warning signs of algebraic pitfalls

Learn to:

Exactly what you need to know to ace Algebra I

The “must-know” formulas and equations

Concise coverage of key topics

About the Author

Mary Jane Sterling is professor of mathematics at Bradley University. She is the author of many books including Algebra I For Dummies, 2nd Edition and Algebra Workbook For Dummies.