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Marge Lial was always interested in math; it was her favorite subject in the first grade! Marge's intense desire to educate both her students and herself has inspired the writing of numerous best-selling textbooks. Marge, who received Bachelor's and Master's degrees from California State University at Sacramento, is affiliated with American River College. Marge is an avid reader and traveler. Her travel experiences often find their way into her books as applications, exercise sets, and feature sets. She is particularly interested in archeology. Trips to various digs and ruin sites have produced some fascinating problems for her textbooks involving such topics as the building of Mayan pyramids and the acoustics of ancient ball courts in the Yucatan.
When John Hornsby enrolled as an undergraduate at Louisiana State University, he was uncertain whether he wanted to study mathematics education or journalism. His ultimate decision was to become a teacher, but after twenty-five years of teaching at the high school and university levels and fifteen years of writing mathematics textbooks, both of his goals have been realized. His love for both teaching and for mathematics is evident in his passion for working with students and fellow teachers as well. His specific professional interests are recreational mathematics, mathematics history, and incorporating graphing calculators into the curriculum. John's personal life is busy as he devotes time to his family (wife Gwen, and sons Chris, Jack, and Josh), and has been an avid baseball fan all of his life. John's other hobbies include numismatics (the study of coins) and record collecting. He loves the music of the 1960s and has an extensive collection of the recorded works of Frankie Valli and the Four Seasons.
A native Midwesterner, Terry McGinnis received her Bachelor’s of Science in Elementary Education with a concentration in Mathematics from Iowa State University. She has taught elementary and middle school mathematics, and developed and implemented the curriculum used with her students. Terry has been involved in college mathematics publishing for over 20 years, working with a variety of authors on textbooks in both developmental mathematics and precalculus. After working behind the scenes on many of the Lial/Hornsby textbooks and supplements for over 10 years, Terry joined Margaret Lial and John Hornsby in 2002 as coauthor of their developmental mathematics series that includes Introductory Algebra, Intermediate Algebra, and Introductory and Intermediate Algebra. When not working, Terry enjoys spinning at a local health club, walking, and reading fiction. She is the devoted mother of two sons, Andrew and Tyler.
Chapter 1 The Real Number System
1.1 Fractions
Study Skills: Reading Your Math Textbook
1.2 Exponents, Order of Operations, and Inequality
Study Skills: Taking Lecture Notes
1.3 Variables, Expressions, and Equations
1.4 Real Numbers and the Number Line
Study Skills: Tackling Your Homework
1.5 Adding and Subtracting Real Numbers
Study Skills: Using Study Cards
1.6 Multiplying and Dividing Real Numbers
Summary Exercises on Operations with Real Numbers
1.7 Properties of Real Numbers
1.8 Simplifying Expressions
Study Skills: Reviewing a Chapter
Chapter 2 Linear Equations and Inequalities in One Variable
2.1 The Addition Property of Equality
2.2 The Multiplication Property of Equality
2.3 More on Solving Linear Equations
Summary Exercises on Solving Linear Equations
Study Skills: Using Study Cards Revisited
2.4 An Introduction to Applications of Linear Equations
2.5 Formulas and Applications from Geometry
2.6 Ratio, Proportion, and Percent
2.7 Further Applications of Linear Equations
2.8 Solving Linear Inequalities
Study Skills: Taking Math Tests
Chapter 3 Linear Equations in Two Variables
3.1 Linear Equations in Two Variables: The Rectangular Coordinate System
Study Skills: Managing Your Time
3.2 Graphing Linear Equations in Two Variables
3.3 The Slope of a Line
3.4 Writing and Graphing Equations of Lines
Summary Exercises on Linear Equations and Graphs
Chapter 4 Exponents and Polynomials
4.1 The Product Rule and Power Rules for Exponents
4.2 Integer Exponents and the Quotient Rule
Summary Exercises on the Rules for Exponents
4.3 An Application of Exponents: Scientific Notation
4.4 Adding and Subtracting Polynomials; Graphing Simple Polynomials
4.5 Multiplying Polynomials
4.6 Special Products
4.7 Dividing Polynomials
Chapter 5 Factoring and Applications
5.1 The Greatest Common Factor; Factoring by Grouping
5.2 Factoring Trinomials
5.3 More on Factoring Trinomials
5.4 Special Factoring Techniques
Summary Exercises on Factoring
5.5 Solving Quadratic Equations by Factoring
5.6 Applications of Quadratic Equations
Chapter 6 Rational Expressions and Applications
6.1 The Fundamental Property of Rational Expressions
6.2 Multiplying and Dividing Rational Expressions
6.3 Least Common Denominators
6.4 Adding and Subtracting Rational Expressions
6.5 Complex Fractions
6.6 Solving Equations with Rational Expressions
Summary Exercises on Rational Expressions and
Equations
6.7Applications of Rational Expressions
Chapter 7 Graphs, Linear Equations, and Functions
7.1 Review of Graphs and Slopes of Lines
7.2 Review of Equations of Lines; Linear Models
Summary Exercises on Slopes and Equations of Lines
7.3 Introduction to Relations and Functions
7.4 Operations and Functions of Composition
7.5 Variation
Chapter 8 Systems of Linear Equations
8.1 Solving Systems of Linear Equations by Graphing
8.2 Solving Systems of Linear Equations by Substitution
8.3 Solving Systems of Linear Equations by Elimination
Summary Exercises on Solving Systems of Linear Equations
8.4 Systems of Linear Equations in Three Variables
8.5 Applications of Systems of Linear Equations
8.6 Solving Systems of Linear Equations by Matrix Methods
Chapter 9 Inequalities and Absolute Value
9.1 Set Operations and Compound Inequalities
9.2 Absolute Value Equations and Inequalities
Summary Exercises on Solving Linear and Absolute Value Equations
9.3 Linear Inequalities in Two Variables
Chapter 10 Roots, Radicals, and Root Functions
10.1 Radical Expressions and Graphs
10.2 Rational Exponents
10.3 Simplifying Radical Expressions
10.4 Adding and Subtracting Radical Expressions
10.5 Multiplying and Dividing Radical Expressions
Summary Exercises on Operations with Radicals and Rational Exponents
10.6 Solving Equations with Radicals
10.7 Complex Numbers
Chapter 11 Quadratic Equations, Inequalities, and Functions
11.1 Solving Quadratic Equations by the Square Root Property
11.2 Solving Quadratic Equations by Completing the Square
11.3 Solving Quadratic Equations by the Quadratic Formula
11.4 Equations Quadratic in Form
Summary Exercises on Solving Quadratic Equations
11.5 Formulas and Further Applications
11.6 Graphs of Quadratic Functions
11.7 More about Parabolas and Their Applications
11.8 Polynomial and Rational Inequalities
Chapter 12 Inverse, Exponential, and Logarithmic Functions
12.1 Inverse Functions
12.2 Exponential Functions
12.3 Logarithmic Functions
12.4 Properties of Logarithms
12.5 Common and Natural Logarithms
12.6 Exponential and Logarithmic Equations; Further Applications
Chapter 13 Nonlinear Functions, Conic Sections, and Nonlinear Systems
13.1 Additional Graphs of Functions
13.2 The Circle and the Ellipse
13.3 The Hyperbola and Functions Defined by Radicals
13.4 Nonlinear Systems of Equations
13.5 Second-Degree Inequalities and Systems of Inequalities
Chapter 14 Sequences and Series
14.1 Sequences and Series
14.2 Arithmetic Sequences
14.3 Geometric Sequences
14.4 The Binomial Theorem
Appendices
A Sets
B Review of Exponents, Polynomials, and Factoring
C Synthetic Division
D An Introduction to Calculators