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An award-winning instructor and best-selling author, Elayn Martin-Gay has taught mathematics at the University of New Orleans for more than 25 years. Her numerous teaching awards include the local University Alumni Association’s Award for Excellence in Teaching, and Outstanding Developmental Educator at University of New Orleans, presented by the Louisiana Association of Developmental Educators.
Prior to writing textbooks, Elayn developed an acclaimed series of lecture videos to support developmental mathematics students in their quest for success. These highly successful videos originally served as the foundation material for her texts. Today, the videos are specific to each book in the Martin-Gay series. Elayn also pioneered the Chapter Test Prep Video to help students as they prepare for a test–their most “teachable moment!”
Elayn’s experience has made her aware of how busy instructors are and what a difference quality support makes. For this reason, she created the Instructor-to-Instructor video series. These videos provide instructors with suggestions for presenting specific math topics and concepts in basic mathematics, prealgebra, beginning algebra, and intermediate algebra. Seasoned instructors can use them as a source for alternate approaches in the classroom. New or adjunct faculty may find the videos useful for review.
Her textbooks and acclaimed video program support Elayn's passion of helping every student to succeed.
1. Review of Real Numbers
1.1 Tips for Success in Mathematics
1.2 Symbols and Sets of Numbers
1.3 Fractions and Mixed Numbers
1.4 Exponents, Order of Operations, Variable Expressions and Equations
1.5 Adding Real Numbers
1.6 Subtracting Real Numbers
Integrated Review–Operations on Real Numbers
1.7 Multiplying and Dividing Real Numbers
1.8 Properties of Real Numbers
2. Equations, Inequalities, and Problem Solving
2.1 Simplifying Algebraic Expressions
2.2 The Addition and Multiplication Properties of Equality
2.3 Solving Linear Equations
Integrated Review–Solving Linear Equations
2.4 An Introduction to Problem Solving
2.5 Formulas and Problem Solving
2.6 Percent and Mixture Problem Solving
2.7 Further Problem Solving
2.8 Solving Linear Inequalities
3. Graphing
3.1 Reading Graphs and the Rectangular Coordinate System
3.2 Graphing Linear Equations
3.3 Intercepts
3.4 Slope and Rate of Change
Integrated Review–Summary on Slope and Graphing Linear Equations
3.5 Equation of Lines
3.6 Functions
4. Solving Systems of Linear Equations
4.1 Solving Systems of Linear Equations by Graphing
4.2 Solving Systems of Linear Equations by Substitution
4.3 Solving Systems of Linear Equations by Addition
Integrated Review–Solving Systems of Equations
4.4 Solving Systems of Linear Equations in Three Variables
4.5 Systems of Linear Equations and Problem Solving
5. Exponents and Polynomials
5.1 Exponents
5.2 Polynomial Functions and Adding and Subtracting Polynomials
5.3 Multiplying Polynomials
5.4 Special Products
Integrated Review–Exponents and Operations on Polynomials
5.5 Negative Exponents and Scientific Notation
5.6 Dividing Polynomials
5.7 Synthetic Division and the Remainder Theorem
6. Factoring Polynomials
6.1 The Greatest Common Factor and Factoring by Grouping
6.2 Factoring Trinomials of the Form x ^{2} + bx + c
6.3 Factoring Trinomials of the Form ax ^{2} + bx + c by Perfect Square Trinomials
6.4 Factoring Trinomials of the Form ax ^{2} + bx + c by Grouping
6.5 Factoring Binomials
Integrated Review–Choosing a Factoring Strategy
6.6 Solving Quadratic Equations by Factoring
6.7 Quadratic Equations and Problem Solving
7. Rational Expressions
7.1 Rational Functions and Simplifying Rational Expressions
7.2 Multiplying and Dividing Rational Expressions
7.3 Adding and Subtracting Rational Expressions with Common Denominators and Least Common Denominator
7.4 Adding and Subtracting Rational Expressions with Unlike Denominators
7.5 Solving Equations Containing Rational Expressions
Integrated Review–Summary on Rational Expressions
7.6 Proportion and Problem Solving with Rational Equations
7.7 Simplifying Complex Fractions
8. More on Functions and Graphs
8.1 Graphing and Writing Linear Functions
8.2 Reviewing Function Notation and Graphing Nonlinear Functions
Integrated Review–Summary on Functions and Equations of Lines
8.3 Graphing Piecewise-Defined Functions and Shifting and Reflecting Graphs of Functions
8.4 Variation and Problem Solving
9. Inequalities and Absolute Value
9.1 Compound Inequalities
9.2 Absolute Value Equations
9.3 Absolute Value Inequalities
Integrated Review–Solving Compound Inequalities and Absolute Value Equations and Inequalities
9.4 Graphing Linear Inequalities in Two Variables and Systems of Linear Inequalities
10. Rational Exponents, Radicals, and Complex Numbers
10.1 Radicals and Radical Functions
10.2 Rational Exponents
10.3 Simplifying Radical Expressions
10.4 Adding, Subtracting, and Multiplying Radical Expressions
10.5 Rationalizing Denominators and Numerators of Radical Expressions
Integrated Review–Radicals and Rational Exponents
10.6 Radical Equations and Problem Solving
10.7 Complex Numbers
11. Quadratic Equations and Functions
11.1 Solving Quadratic Equations by Completing the Square
11.2 Solving Quadratic Equations by the Quadratic Formula
11.3 Solving Equations by Using Quadratic Methods
Integrated Review–Summary on Solving Quadratic Equations
11.4 Nonlinear Inequalities in One Variable
11.5 Quadratic Functions and Their Graphs
11.6 Further Graphing of Quadratic Functions
12. Exponential and Logarithmic Functions
12.1 The Algebra of Functions; Composite Functions
12.2 Inverse Functions
12.3 Exponential Functions
12.4 Exponential Growth and Decay Functions
12.5 Logarithmic Functions
12.6 Properties of Logarithms
Integrated Review–Functions and Properties of Logarithms
12.7 Common Logarithms, Natural Logarithms, and Change of Base
12.8 Exponential and Logarithmic Equations and Problem Solving
13. Conic Sections
13.1 The Parabola and the Circle
13.2 The Ellipse and the Hyperbola
Integrated Review–Graphing Conic Sections
13.3 Solving Nonlinear Systems of Equations
13.4 Nonlinear Inequalities and Systems of Inequalities
14. Sequences, Series, and the Binomial Theorem
14.1 Sequences
14.2 Arithmetic and Geometric Sequences
14.3 Series
Integrated Review–Sequences and Series
14.4 Partial Sums of Arithmetic and Geometric Sequences
14.5 The Binomial Theorem
Appendix A. Operations on Decimals/Percent, Decimal, and Fraction Table
Appendix B. Review of Algebra Topics
Appendix C. An Introduction to Using a Graphic Utility
Appendix D. Solving Systems of Equations by Matrices
Appendix E. Solving Systems of Equations by Determinants
Appendix F. Mean, Median, and Mode
Appendix G. Review of Angles, Lines, and Special Triangles