Elementary Algebra / Edition 9

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Kaufmann and Schwitters have built this text's reputation on clear and concise exposition, numerous examples, and plentiful problem sets. This traditional text consistently reinforces the following common thread: learn a skill; practice the skill to help solve equations; and then apply what you have learned to solve application problems. This simple, straightforward approach has helped many students grasp and apply fundamental problem solving skills necessary for future mathematics courses. Algebraic ideas are developed in a logical sequence, and in an easy-to-read manner, without excessive vocabulary and formalism. The open and uncluttered design helps keep students focused on the concepts while minimizing distractions. Problems and examples reference a broad range of topics, as well as career areas such as electronics, mechanics, and health, showing students that mathematics is part of everyday life. The text's resource package--anchored by Enhanced WebAssign, an online homework management tool--saves instructors time while also providing additional help and skill-building practice for students outside of class.
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Editorial Reviews

From the Publisher

"I do like the organization. I like that once a skill is covered that skill is then used to solve equations. For example, adding/subtracting terms is covered, then linear equations... factoring is covered, then solving equations by factoring... simplifying rational expressions, then solving rational equations... simplifying radicals, then solving radical equations. I have used texts where those skills are all covered once and then all the equations are lumped together in a "solving equations" chapter. I tend to get bogged down in equations that way and students seem to get overwhelmed. I think the organization of this text is much better."- Meredith Williams, Campbell University

"This text provides a thorough but concise path from arithmetic to Intermediate Algebra and has readable text, relevant examples, and robust exercise sets."- Michael Carr, Mott Community College

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Product Details

  • ISBN-13: 9781439049174
  • Publisher: Cengage Learning
  • Publication date: 1/1/2010
  • Series: Available 2011 Titles Enhanced Web Assign Series
  • Edition description: Older Edition
  • Edition number: 9
  • Pages: 560
  • Product dimensions: 8.70 (w) x 11.00 (h) x 1.10 (d)

Meet the Author

Jerome E. Kaufmann received his Ed.D. in Mathematics Education from the University of Virginia. Now a retired Professor of Mathematics from Western Illinois University, he has more than 30 years of teaching experience at the high school, two-year, and four-year college levels. He is the author of 45 college mathematics textbooks.

Karen L. Schwitters graduated from the University of Wisconsin with a B.S. in Mathematics. She earned an M.S. Ed. in Professional Secondary Education from Northern Illinois University. Schwitters is currently teaching at Seminole Community College in Sanford, Florida, where she is very active in multimedia instruction and is involved in planning distance learning courses with multimedia materials. She is an advocate for Enhanced WebAssign and uses it in her classroom. In 1998, she received the Innovative Excellence in Teaching, Learning, and Technology Award.

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Table of Contents

1. SOME BASIC CONCEPTS OF ARITHMETIC AND ALGEBRA. Numerical and Algebraic Expressions. Prime and Composite Numbers. Integers: Addition and Subtraction. Integers: Multiplication and Division. Use of Properties. Summary. Review Problem Set. Test. 2. REAL NUMBERS. Rational Numbers: Multiplication and Division. Addition and Subtraction of Rational Numbers. Real Numbers and Algebraic Expressions. Exponents. Translating from English to Algebra. Summary. Review Problem Set. Test. Cumulative Review Problem Set (Chapters 1-2). 3. EQUATIONS, INEQUALITIES, AND PROBLEM SOLVING. Solving First-Degree Equations. Equations and Problem Solving. More on Solving Equations and Problem Solving. Equations Involving Parentheses and Fractional Forms. Inequalities. Inequalities, Compound Inequalities, and Problem Solving. Summary. Review Problem Set. Test. 4. FORMULAS AND PROBLEM SOLVING. Ratio, Proportion, and Percent. More on Percents and Problem Solving. Formulas. Problem Solving. More on Problem Solving. Summary. Review Problem Set. Test. Cumulative Review Chapters 1-4. 5. EXPONENTS AND POLYNOMIALS. Addition and Subtraction of Polynomials. Multiplying Monomials. Multiplying Polynomials. Dividing by Monomials. Dividing by Binomials. Integral Exponents and Scientific Notation. Summary. Review Problem Set. Test. Cumulative Review Chapters 1-5. 6. FACTORING, SOLVING EQUATIONS, AND PROBLEM SOLVING. Factoring by Using the Distributive Property. Factoring the Difference of Two Squares. Factoring Trinomials of the Form x²+ bx + c. Factoring Trinomials of the Form ax² + bx + c. Factoring, Solving Equations, and Problem Solving. Summary. Review Problem Set. Test. 7. ALGEBRAIC FRACTIONS. Simplifying Algebraic Fractions. Multiplying and Dividing Algebraic Fractions. Adding and Subtracting Algebraic Fractions. Addition and Subtraction of Algebraic Fractions and Complex Fractions. Fractional Equations and Problem Solving. More Fractional Equations and Problem Solving. Summary. Review Problem Set. Test. Cumulative Review Chapters 1-7. 8. COORINATE GEOMETRY AND LINEAR SYSTEMS. Cartesian Coordinate System. Graphing Linear Equations and Inequalities. Slope of a Line. Writing Equations of Lines. Systems of Two Linear Equations. Elimination-by-Addition Method. Summary. Review Problem Set. Test. 9. ROOTS AND RADICALS. Roots and Radicals. Simplifying Radicals. More on Simplifying Radicals. Products and Quotients Involving Radicals. Solving Radical Equations. Summary. Review Problem Set. Test. Cumulative Review Chapters 1-9. 10. QUADRATIC EQUATIONS. Quadratic Equations. Completing the Square. Quadratic Formula. Solving Quadratic Equations - Which Method? Solving Problems Using Quadratic Equations. Summary. Review Problem Set. Test. 11. ADDITIONAL TOPICS. Equations and Inequalities Involving Absolute Zero. 3 x 3 Systems of Equations. Fractional Exponents. Complex Numbers. Quadratic Equations: Complex Solutions. Pie, Bar, and Line Graphs. Relations and Functions. Applications of Functions. Summary. Review Problem Set. Test. Appendix A: Table of Squares and Approximate Square Roots. Appendix B: Extra Word Problems. Answers to Odd-Numbered Problems and All Chapter Review, Chapter Test, Cumulative Review, and Appendix B Problems. Answers to Selected Even-Numbered Problems. Index.
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