Dr. Math Explains Algebra : Learning Algebra Is Easy! Just Ask Dr. Math

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Dr. Math Explains Algebra : Learning Algebra Is Easy! Just Ask Dr. Math

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  • 製本 Paperback:紙装版/ペーパーバック版／ページ数 192 p.
  • 言語 ENG
  • 商品コード 9780471225553
  • DDC分類 512

基本説明

For kids ages twelve and up.

Full Description

Finally, a Clear Introduction to Algebra -- Courtesy of Dr. Math ? !

You've made it through pre-algebra, but now things are getting harder in algebra class. Never fear! Dr. Math?-the popular online math resource-is here to help you figure out even the trickiest of your algebra problems.

Students just like you have been turning to Dr. Math for years asking questions about math problems, and the math doctors at the Math Forum have helped them find the answers with lots of clear explanations and helpful hints. Now, with Dr. Math? Explains Algebra, you'll learn just what it takes to succeed in this subject. You'll find the answers to dozens of real questions from students who needed help understanding the basic math concepts in a typical algebra class. You'll find plenty of hints and shortcuts for working with unknown quantities. Pretty soon, everything from linear equations to polynomials to factoring will make sense. Plus, you'll get plenty of tips for working with all kinds of real-life problems.

You won't find a better explanation of the world and language of algebra anywhere!

Contents

Acknowledgments. Introduction.

Part 1: Linear Equations.

1. Linear Expressions and Equations.

2. Slope, Intercepts, and Slope-Intercept Form.

3. Graphing Linear Equations.

Resources on the Web.

Part 2: Systems of Equations.

1. Simultaneous Equations.

2. Graphing Simultaneous Equations.

3. Inconsistent and Dependent Systems.

Resources on the Web.

Part 3: Polynomials.

1. Monomials and Polynomials.

2. Simplifying Polynomials.

3. Adding and Subtracting Polynomials.

4. Multiplying Polynomials.

5. Patterns in Polynomials.

6. Dividing Polynomials.

Resources on the Web.

Part 4: Factoring.

1. Prime, Composite, and Square Numbers.

2. Factoring Monomials.

3. Factoring Polynomials.

4. Factoring the Difference of Two Squares.

Resources on the Web.

Part 5: Quadratic Equations.

1. Quadratic Expressions, Equations, and Functions.

2. Solving Quadratic Equations by Factoring.

3. Solving Quadratic Equations by Graphing.

4. Solving Quadratic Equations by Taking Square Roots.

5. Solving Quadratic Equations by Completing the Square.

6. The Quadratic Formula.

Resources on the Web.

Glossary.

Index.