OpenStax Algebra and Trigonometry
NEW! A peerreviewed edition with instructional content (videos, applets) has just been released.Info
This is an online homework companion to OpenStax Algebra and Trigonometry. It comprises over 850 interactive problems that are designed to develop conceptual understanding and reinforce problemsolving skills. It comprises problems carefully organized into problem sets mapped to textbook sections. Use this course asis, or customize at any level. You can mixandmatch problems from other catalog courses, add problems from the Edfinity problem repository, or write your own.
How to use this course
 Homework: Assign high quality problems with hints and personalized feedback to develop problemsolving skills.
 Testing: Create summative secure online quizzes and tests in minutes.
 Supplementary resources: Embed videos, class notes, and applets alongside assignments.
 Intervention: Use rich analytics to identify and monitor atrisk students for timely intervention.
 Analytics: Drill down into student performance and identify problematic or difficult topics.
 Flipped classroom: Assign preclass assignments. Save precious class time for discussions.
 Emporium classes: Use Edfinity for individual/group work for large enrollment sections in labs.
Edfinity is a fullfeatured homework system that supports mathematicallyaware problems with algebraic input, evaluation of mathematical expressions, randomized variants, prerequisite pathways for personalized learning, collaboration, coordinated courses, flexible configuration of students’ experience, and complete customization of assignments. Edfinity is WeBWorKcompatible  existing WeBWorK courses can be automatically imported, and you can author new WeBWorK problems using our problem authoring tool.
Algebraic, graphing, open response; randomized variants, hints, and tips
Each student receives personalized support
to fill learning gaps.
Use prebuilt corequisite content,
or create your own.
Connect to your LMS in minutes. VPAT here.
Import and author WeBWorK problems.A new, peerreviewed edition of this course with instructional content (videos, applets) will be released shortly. If you'd like to be notified, please drop a line to hello@edfinity.com
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Syllabus
 Edfinity Demo
 1.1 Real Numbers: Algebra Essentials
 1.2 Exponents and Scientific Notation
 1.3 Radicals and Rational Exponents
 1.4 Polynomials
 1.5 Factoring Polynomials
 1.6 Rational Expressions
 2.1 The Rectangular Coordinate Systems and Graphs
 2.2 Linear Equations in One Variable
 2.3 Models and Applications
 2.4 Complex Numbers
 2.5 Quadratic Equations
 2.6 Other Types of Equations
 2.7 Linear Inequalities and Absolute Value Inequalities
 3.1 Functions and Function Notation
 3.2 Domain and Range
 3.3 Rates of Change and Behavior of Graphs
 3.4 Composition of Functions
 3.5 Transformation of Functions
 3.6 Absolute Value Functions
 3.7 Inverse Functions
 4.1 Linear Functions
 4.2 Modeling with Linear Functions
 4.3 Fitting Linear Models to Data
 5.1 Quadratic Functions
 5.2 Power Functions and Polynomial Functions
 5.3 Graphs of Polynomial Functions
 5.4 Dividing Polynomials
 5.5 Zeros of Polynomial Functions
 5.6 Rational Functions
 5.7 Inverses and Radical Functions
 5.8 Modeling Using Variation
 6.1 Exponential Functions
 6.2 Graphs of Exponential Functions
 6.3 Logarithmic Functions
 6.4 Graphs of Logarithmic Functions
 6.5 Logarithmic Properties
 6.6 Exponential and Logarithmic Equations
 6.7 Exponential and Logarithmic Models
 6.8 Fitting Exponential Models to Data
 7.1 Angles
 7.2 Right Triangle Geometry
 7.3 Unit Circle
 7.4 The Other Trigonometric Functions
 8.1 Graphs of the Sine and Cosine Functions
 8.2 Graphs of the Other Trigonometric Functions
 8.3 Inverse Trigonometric Functions
 9.1 Solving Trigonometric Equations and Identities
 9.2 Sum and Difference Identities
 9.3 DoubleAngle, HalfAngle and Reduction Formulas
 9.4 SumtoProduct and ProducttoSum Formulas
 9.5 Solving Trigonometric Functions
 10.1 NonRight Triangles: Law of Sines
 10.2 NonRight Triangles: Law of Cosines
 10.3 Polar Coordinates
 10.4 Polar Coordinates: Graphs
 10.5 Polar Form of Complex Numbers
 10.6 Parametric Equations
 10.7 Parametric Equations: Graphs
 10.8 Vectors
 11.1 Systems of Linear Equations: Two Variables
 11.2 Systems of Linear Equations: Three Variables
 11.3 Systems of Nonlinear Equations and Inequalities: Two Variables
 11.4 Partial Fractions
 11.5 Matrices and Matrix Operations
 11.6 Solving Systems with Gaussian Elimination
 11.7 Solving Systems with Inverses
 11.8 Solving Systems with Cramer's Rule
 12.1 The Ellipse
 12.2 The Hyperbola
 12.3 The Parabola
 12.4 Rotation of Axis
 12.5 Conic Sections in Polar Coordinates
 13.1 Sequences and their Notation
 13.2 Arithmetic Sequences
 13.3 Geometric Sequences
 13.4 Series and their Notations
 13.5 Counting Principles
 13.6 Binomial Theorem
 13.7 Probability
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