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Elementary Algebra Jay Lehmann

Elementary Algebra By Jay Lehmann

Elementary Algebra by Jay Lehmann


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Elementary Algebra Summary

Elementary Algebra: Graphs and Authentic Applications by Jay Lehmann

Jay Lehmann is passionate about answering the question so many math instructors hear their students ask: But what is this good for? He discovered that a curve fitting approach could enable students to see how math is used in all walks of life with current, compelling, and authentic situations. In addition to curve fitting, Lehmann's approach includes other types of meaningful modeling, directed-discovery explorations, conceptual questions, labs, and of course, a large bank of skill problems. The curve fitting applications serve as a portal for students to see the usefulness of mathematics so that they become fully engaged in the class. Once involved, they are more receptive to all aspects of the course.

Table of Contents

Note: Each chapter concludes with Chapter Summary, Key Points of the Chapter, Chapter Review Exercises, and Chapter Practice Tests.

Chapter 1: Introduction to Modeling

1.1 Variables and Constants

1.2 Scattergrams

1.3 Exact Linear Relationships

1.4 Approximate Linear Relationships

Chapter 2: Operations and Expressions

2.1 Expressions

2.2 Operations with Fractions

2.3 Adding Real Numbers

2.4 Change in a Quantity and Subtracting Real Numbers

2.5 Ratios, Percents, and Multiplying and Dividing Real Numbers

2.6 Exponents and Order of Operations

Chapter 3: Using Slope to Graph Linear Equations

3.1 Graphing Equations of the Form y = mx + b

3.2 Graphing Linear Models; Unit Analysis

3.3 Slope of a Line

3.4 Using Slope to Graph Lines

3.5 Rate of Change

Chapter 4: Simplifying Expressions and Solving Equations

4.1 Commutative, Associative, and Distributive Laws

4.2 Simplifying Expressions

4.3 Solving Linear Equations in One Variable

4.4 solving More Linear Equations in One Variable

4.5 comparing Expressions and Equations

4.6 Formulas

Chapter 5: Linear Equations in Two Variables

5.1 Graphing Linear Equations

5.2 Finding Linear Equations

5.3 Finding Equations of Linear Models

5.4 using Linear Equations to make Estimates and Predications

5.5 Solving Linear Inequalities in One Variable

Chapter 6: Systems of Linear Equations

6.1 Using Graphs and Tables to Solve Systems

6.2 Using Substitution to Solve Systems

6.3 Using Elimination to Solve Systems

6.4 Using Systems to Model Data

6.5 Perimeter, Value, Interest, and Mixture Problems

6.6 Linear Inequalities in Two Variables; Systems of Linear Inequalities in 2 Variables

Chapter 7: Polynomials

7.1 Graphing Quadratic Equations

7.2 Quadratic Models

7.3 Adding and Subtracting Polynomials

7.4 Multiplying Polynomials

7.5 Powers of Polynomials; Product of Binomial Conjugates

7.6 Properties of Exponents

7.7 Negative Exponents

Chapter 8: Factoring Polynomials and Solving Polynomial Equations

8.1 Factoring Trinomials of the Form x(2) + bx + c and Differences of Two Squares

8.2 Factoring Out the GCF; Factoring by Grouping

8.3 Factoring Trinomials of the Form ax(2) + bx + c

8.4 Sums and Differences of Cubes; A Factoring Strategy

8.5 Solving Polynomial Equations

8.6 Using Factoring to Make Predications with Quadratic Models

Chapter 9: Solving Quadratic Equations

9.1 Simplifying Radical Expressions

9.2 Simplifying More Radical Expressions

9.3 Solving Quadratic Equations by the Square Root Property; Pythagorean Theorem

9.4 Solving Quadratic Equations by Completing the Square

9.5 Solving Quadratic Equations by the Quadratic Formula

9.6 More Quadratic Models

Chapter 10: Rational Expressions and Equations

10.1 Simplifying Rational Expressions

10.2 Multiplying and Dividing Rational Expressions

10.3 Adding Rational Expressions

10.4 Subtracting Rational Expressions

10.5 Solving Radical Equations

10.6 Proportions; Similar Triangles

10.7 Variation

10.8 Simplifying Complex Rational Expressions

Chapter 11: More Radical Expressions and Equations

11.1 Adding and Subtracting Radical Expressions

11.2 Multiplying Radical Expressions

11.3 Solving Square Root Equations

Appendix A: Using a TI-83 or TI-84 Graphing Calculator

A.1 Turing a Graphing Calculator On or Off

A.2 making the Screen Lighter or Darker

A.3 Entering an Equation

A.4 Graphing an Equation

A.5 Tracing A Curve with out a Scattergram

A.6 Zooming

A.7 Setting the Window Format

A.8 Plotting Points in a Scattergram

A.9 Tracing A Scattergram

A.10 Graphing Equations with a Scattergram

A.11 Tracing a Curve with a Scattergram

A.12 Turning a Plotter on or off

A.13 Creating a Table

A.14 Creating a Table for Two Equations

A.15 Using Ask in a Table

A.16 Plotting Points on Two Scatter Grams

A.17 Finding the Intersection Point(s) of Two Curves

A.18 Finding the Minimum or Maximum of a Curve

A.19 Finding any x-Intercepts of a Curve

A.20 Turing an Equation On or Off

A.21 Finding Coordinates of Points

A.22 Entering an Equation by Using Yn References

A.23 Responding to Error Messages

Answers to Odd-Numbered Exercises

Additional information

CIN013220164XVG
9780132201643
013220164X
Elementary Algebra: Graphs and Authentic Applications by Jay Lehmann
Used - Very Good
Hardback
Pearson Education (US)
20070228
672
N/A
Book picture is for illustrative purposes only, actual binding, cover or edition may vary.
This is a used book - there is no escaping the fact it has been read by someone else and it will show signs of wear and previous use. Overall we expect it to be in very good condition, but if you are not entirely satisfied please get in touch with us

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