[Ebook PDF] College Algebra, 8th Edition

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[Ebook PDF] College Algebra, 8th Edition

ISBN-13: 978-1285434773
ISBN-10: 1285434773

Author: Richard N. Aufmann (Author), Richard D. Nation (Author)

Accessible to students and flexible for instructors, COLLEGE ALGEBRA, EIGHTH EDITION, incorporates the dynamic link between concepts and applications to bring mathematics to life. By integrating interactive learning techniques, the Aufmann author team helps students to better understand concepts, work independently, and obtain greater mathematical fluency. The Eighth Edition also includes technology features to accommodate courses that allow the option of using graphing calculators. Additional program components that support student success include tutorial practice, online homework, Live Online Tutoring, and Instructional DVDs. The authors’ proven Aufmann Interactive Method allows students to try a skill as it is presented in example form. This interaction between the examples and Try Exercises serves as a checkpoint to students as they read the textbook, do their homework, or study a section. In the Eighth Edition, Review Notes are featured more prominently throughout the text to help students recognize the key prerequisite skills needed to understand new concepts.

PREFACE
In addition to the new features, the following changes appear in this eighth edition of College Algebra.
Chapter P Preliminary Concepts
A new chapter opener introduces some of the concepts in this chapter.
P.1 New application exercises and Enrichment Exercises have been added.
P.2 One example has been revised and Enrichment Exercises have been added.
P.3 One example has been revised.
P.4 Enrichment Exercises have been added.
P.5 A continued fraction exercise has been added to the Enrichment Exercises.
P.6 Enrichment Exercises have been added.
Chapter 1 Equations and Inequalities
A new chapter opener introduces some of the concepts in this chapter.
1.1 New application exercises and Enrichment Exercises have been added.
1.2 Three examples have been updated and a new example has been added. Several exercises have been revised and Enrichment Exercises have been added.
1.3 New application exercises and Enrichment Exercises have been added.
1.4 and 1.5 An Enrichment Exercise has been added.
Chapter 2 Functions and Graphs
2.2 The introduction to piecewise-defined functions has been expanded and the example has been revised. New exercises involving piecewise-defined functions have been added.
2.3 A new example has been added and several exercises have been updated.
2.4 The business application example has been revised and application exercises have been added.
2.5 Three new Interactive Demonstrations have been added. They illustrate translations, reflections, and compressing and stretching of graphs. Enrichment Exercises have been added.
2.7 Two exercises have been updated and a new application exercise has been added. The Exploring Concepts with Technology feature has been revised to illustrate how WolframAlpha can be used to find linear and quadratic regression functions.
Chapter 3 Polynomial and Rational Functions A new chapter opener introduces some of the concepts in this chapter.
3.2 The Integrating Technology feature has been expanded to include instructions on how to use WolframAlpha to graph, find extrema, and evaluate polynomial functions. The cubic regression example has been updated and new application exercises have been added.
3.3 and 3.4 One example has been revised.
3.5 An application exercise and an exercise that involves the parabolic asymptote of a rational function have been added. The Exploring Concepts with Technology feature has been revised to illustrate
how WolframAlpha can be used to find zeros of a polynomial function and to find cubic and quartic regression functions. Several exercises in the Review Exercises and the Chapter Test have been updated.
Chapter 4 Exponential and Logarithmic Functions A new chapter opener introduces some of the concepts in this chapter.
4.2 A new Integrating Technology feature illustrates how to use WolframAlpha to solve exponential equations. A new exercise that demonstrates the rapid growth of an exponential function has been included in the Enrichment Exercises.
4.3 Several exercises have been revised and two application exercises have been added.
4.4 A new Integrating Technology feature illustrates how to use WolframAlpha to evaluate logarithms with various bases. Several examples and exercises have been updated.
4.6 Several population growth and compound interest exercises have been updated.
4.7 Two examples and several exercises have been updated. The Exploring Concepts with Technology feature has been revised to illustrate how WolframAlpha can be used to find exponential and logarithmic regression functions. Several exercises in the Review Exercises and the Chapter Test have been updated.
Chapter 5 Topics in Analytic Geometry A new chapter opener introduces some of the concepts in this chapter.
5.1 The Integrating Technology feature of this section has been expanded to include instructions on how to use WolframAlpha to graph parabolas and to find the focus and vertex of a parabola. A new Interactive Demonstration illustrates the relationships between the standard form of the equation of a parabola and its graph. A 3-D optical illusion exercise has been added to the Enrichment Exercises.
5.2 The new Interactive Demonstration illustrates the relationships between the standard form of the equation of an ellipse and its graph. The Integrating Technology feature has been expanded to include instructions on how to use WolframAlpha to graph ellipses and to determine the foci, vertices, and center of an ellipse. Several application exercises have been added.
5.3 The new Interactive Demonstration illustrates the relationships between the standard form of the equation of a hyperbola and its graph. The Integrating Technology feature has been expanded to include instructions on how to use WolframAlpha to graph a hyperbola and to determine the foci, vertices, asymptotes, and center of a hyperbola. Several application exercises have been added.
New application exercises have been added to the Review Exercises and to the
Chapter Test.
Chapter 6 Systems of Equations and Inequalities
6.1 The Integrating Technology feature has been expanded to include instructions on how to use WolframAlpha to solve systems of linear equations. Application exercises and Enrichment Exercises have been added.
6.2 Application exercises have been added.
6.3 The Integrating Technology feature has been expanded to include instructions on how to use WolframAlpha to solve nonlinear systems of equations. Enrichment Exercises have been added.
The new Exploring Concepts with Technology feature illustrates how to use WolframAlpha to solve linear programming problems.
Chapter 7 Matrices
7.1 The Echelon Form Procedure and the Gaussian Elimination example have been revised. A new example and new exercises have been added.
7.2 A social network graph has been used to introduce the concept of adjacency matrices. A social networks exercise has been added to the Enrichment Exercises.
7.3 The Integrating Technology feature has been expanded to include instructions on how to use WolframAlpha to find the inverse of a matrix.
7.4 Cramer’s Rule is now included in this section. Three examples have been added. New exercises have been added to the Review Exercises and to the Chapter Test.
Chapter 8 Sequences, Series, and Probability A new chapter opener introduces some of the concepts in this chapter.
8.1 New examples have been added.
8.2 A new example and new application exercises have been added.
8.5 A new example has been added.
8.6 Three examples have been revised and several application exercises have been added.
8.7 Two examples have been revised and several application exercises have been
added.