# Beginning Algebra with Applications &Visualization

**by**Rockswold, Gary K.; Krieger, Terry A.

### 9780321500045

## Questions About This Book?

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## Summary

## Author Biography

**Gary Rockswold** is a professor of mathematics at Minnesota State University—Mankato. He received his BA in mathematics and physics from St. Olaf College and his Ph.D. in applied mathematics from Iowa State. He was elected to the honor societies of Phi Beta Kappa, Phi Kappa Phi, and Sigma Xi. He has been a principal investigator at the Minnesota Supercomputer Institute and has published several research articles discussing parallel processing and numerical analysis. He is also the author or coauthor of more than 10 current textbooks. At regional and national meetings, he has given numerous presentations related to teaching mathematics. During his thirty-five-year career, Gary has taught mathematics, physical science, astronomy, and computer science at a variety of student levels, ranging from junior high to graduate. Making mathematics meaningful and relevant for students at the developmental and precalculus levels is of special interest to him. He also has a passion for professing mathematics and for communicating the amazing impact that mathematics has on our society.

**Terry Krieger** has taught mathematics for over fifteen years at the middle school, high school, vocational, community college, and university levels. He graduated *summa cum laude* from Bemidji State University in Bemidji, Minnesota with a BA in secondary mathematics education. He received his MA in mathematics from Minnesota State University—Mankato. In addition to his teaching experience in the United States, Terry has taught mathematics in Tasmania, Australia and in a rural school in Swaziland, Africa, where he served as a Peace Corps volunteer. Outside of teaching, Terry enjoys wilderness camping, trout fishing and home improvement projects. His past experiences include running two marathons, climbing Mt. Kilimanjaro, and watching the sunset from the banks of the Nile. He currently resides in Rochester, Minnesota with his wife and family. Terry has been involved with various aspects of mathematics textbook publication for more than ten years.

## Table of Contents

Preface | |

Features Supplements | |

Acknowledgments | |

Introduction to Algebra | |

Numbers, Variables, and Expressions | |

Fractions | |

Exponents and Order of Operations | |

Real Numbers and the Number Line | |

Addition and Subtraction of Real Numbers | |

Multiplication and Division of Real Numbers | |

Properties of Real Numbers | |

Simplifying and Writing Algebraic Expressions | |

Linear Equations and Inequalities | |

Introduction to Equations | |

Linear Equations | |

Introduction to Problem Solving | |

Formulas | |

Linear Inequalities | |

Graphing Equations | |

Introduction to Graphing | |

Linear Equations in Two Variables | |

More Graphing of Lines | |

Slope and Rates of Change | |

Slope-Intercept Form | |

Point-Slope Form | |

Introduction to Modeling | |

Systems of Linear Equations In Two Variables | |

Solving Systems of Linear Equations Graphically and Numerically | |

Solving Systems of Linear Equations by Substitution | |

Solving Systems of Linear Equations by Elimination | |

Systems of Linear Inequalities | |

Polynomials and Exponents | |

Rules for Exponents | |

Addition and Subtraction of Polynomials | |

Multiplication of Polynomials | |

Special Products | |

Integer Exponents and the Quotient Rule | |

Division of Polynomials | |

Factoring Polynomials and Solving Equations | |

Introduction to Factoring | |

Factoring Trinomials I (x2 + bx + c) | |

Factoring Trinomials II (ax2 + bx + c) | |

Special Types of Factoring | |

Summary of Factoring | |

Solving Equations by Factoring I (Quadratics) | |

Solving Equations by Factoring II (Higher Degree) | |

Rational Expressions | |

Introduction to Rational Expressions | |

Multiplication and Division of Rational Expressions | |

Addition and Subtraction with Like Denominators | |

Addition and Subtraction with Unlike Denominators | |

Complex Fractions | |

Rational Equations and Formulas | |

Proportions and Variation | |

Radical Expressions | |

Introduction to Radical Expressions | |

Multiplication and Division of Radical Expressions | |

Addition and Subtraction of Radical Expressions | |

Simplifying Radical Expressions | |

Equations Involving Radical Expressions | |

Higher Roots and Rational Exponents | |

Quadratic Equations | |

Parabolas | |

Introduction to Quadratic Equations | |

Solving by Completing the Square | |

The Quadratic Formula | |

Complex Solutions | |

Introduction to Function? | |

Appendix Sets? | |

Answers to Selected Exercises | |

Glossary | |

Bibliography | |

Photo Credits | |

Index of Applications | |

Index | |

Table of Contents provided by Publisher. All Rights Reserved. |