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**MyMathLab for INTRO Algebra**was developed from the experience of authors Andreana Grimaldo and Denise Robichaud helping all types of students (online, in-lab, and in-class) achieve success by pairing a streamlined Worktext–where students show their work–with an interactive eText and fully loaded MyMathLab course. It provides the perfect traditional classroom, lab, or online solution for instructors who embrace the power of a pencil, and the immediate feedback and tutorial help the technology offers!

## Table of Contents

**R. Review of Prealgebra Skills**

R.1 Simplifying Fractions

R.2 Multiplying and Dividing Fractions

R.3 Adding and Subtracting Fractions

R.4 Decimals and Percents

**1. The Real Number System**

1.1 Real Numbers and the Number Line

1.2 Exponents and Order of Operations

1.3 Variables, Expressions, and Equations

1.4 Adding Real Numbers

1.5 Subtracting Real Numbers

1.6 Multiplying and Dividing Real Numbers

1.7 Properties of Real Numbers

1.8 Simplifying Expressions

1.9 Applications of Real Numbers

**2. Equations, Inequalities, and Applications**

2.1 Solving Linear Equations: The Addition Property of Equality

2.2 Solving Linear Equations: The Multiplication Property of Equality

2.3 Solving Linear Equations: Fractions, Decimals, and More

2.4 Algebraic Skills Involving Formulas, Geometry, and Proportions

2.5 Introduction to Problem Solving and Linear Applications: Numbers, Geometry, and More

2.6 Applications of Linear Equations: Proportion and Percent Problems

2.7 Solving Linear Inequalities

2.8 Applications of Linear Inequalities

**3. Graphing Equations and Inequalities**

3.1 Linear Equations in Two Variables: *Ax* + *By* = *C*

3.2 Graphing Linear Equations

3.3 Slope of a Line

3.4 Equations of Lines

3.5 Graphing Linear Inequalities in Two Variables

3.6 Applications of Linear Equations and Inequalities and Their Graphs

3.7 Introduction to Functions

**4. Systems of Linear Equations and Inequalities**

4.1 Solving Systems of Linear Equations: Graphing Method

4.2 Solving Systems of Linear Equations: Substitution Method

4.3 Solving Systems of Linear Equations: Addition Method

4.4 Solving Systems of Linear Inequalities

4.5 Applying Systems of Linear Equations

**5. Exponents and Polynomials**

5.1 The Product Rule and Power Rules for Exponents

5.2 Integer Exponents and the Quotient Rule

5.3 Introduction to Polynomials

5.4 Adding and Subtracting Polynomials

5.5 Multiplying Polynomials

5.6 Special Products

5.7 Dividing Polynomials

5.8 Applying Exponents: Scientific Notation

5.9 Applying Polynomials

**6. Factoring Polynomials**

6.1 The Greatest Common Factor

6.2 Factoring Trinomials of the Form *x*^{2} + *bx* + *c*

6.3 Factoring Trinomials of the Form *ax*^{2} + *bx* + *c*

6.4 Special Factoring Techniques

6.5 A General Strategy for Factoring Polynomials

6.6 Solving Quadratic Equations by Factoring

6.7 Applying Quadratic Equations

**7. Rational Expressions and Applications**

7.1 Simplifying Rational Expressions

7.2 Multiplying and Dividing Rational Expressions

7.3 Adding and Subtracting Rational Expressions with the Same Denominator

7.4 Adding and Subtracting Rational Expressions with Different Denominators

7.5 Simplifying Complex Fractions

7.6 Solving Equations Containing Rational Expressions

7.7 Applying Rational Equations: Numbers, Rates, and Work

7.8 Applying Rational Equations: Variation

**8. Roots and Radicals**

8.1 Introduction to Radicals

8.2 Simplifying Radicals

8.3 Adding and Subtracting Radicals

8.4 Multiplying and Dividing Radicals

8.5 Solving Equations Containing Radicals

8.6 Applying Radicals

**9. Quadratic Equations**

9.1 Solving Quadratic Equations Using the Square Root Property

9.2 Solving Quadratic Equations by Completing the Square

9.3 Solving Quadratic Equations Using the Quadratic Formula

9.4 Graphing Quadratic Equations in Two Variables

9.5 Applying Quadratic Equations

Answers

Index

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