OpenStax Algebra and Trigonometry

NEW! A peer-reviewed edition with instructional content (videos, applets) has just been released.

Info

Adaptive
This course offers personalized support for each student.

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 problem-solving skills. It comprises problems carefully organized into problem sets mapped to textbook sections. Use this course as-is, or customize at any level. You can mix-and-match problems from other catalog courses, add problems from the Edfinity problem repository, or write your own.

How to use this course

  1. Homework: Assign high quality problems with hints and personalized feedback to develop problem-solving skills.
  2. Testing: Create summative secure online quizzes and tests in minutes. 
  3. Supplementary resources: Embed videos, class notes, and applets alongside assignments.
  4. Intervention: Use rich analytics to identify and monitor at-risk students for timely intervention.
  5. Analytics: Drill down into student performance and identify problematic or difficult topics.
  6. Flipped classroom: Assign pre-class assignments. Save precious class time for discussions.
  7. Emporium classes: Use Edfinity for individual/group work for large enrollment sections in labs.

Edfinity is a full-featured homework system that supports mathematically-aware 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 WeBWorK-compatible - existing WeBWorK courses can be automatically imported, and you can author new WeBWorK problems using our problem authoring tool.

Interactive, algorithmic problems
Algebraic, graphing, open response; randomized variants, hints, and tips
Adaptive learning and personalization
Each student receives personalized support
to fill learning gaps.
Corequisite course structures
Use pre-built corequisite content,
or create your own.
LMS integration and accessibility
Connect to your LMS in minutes. VPAT here.
WeBWorK-compatible
Import and author WeBWorK problems.A new, peer-reviewed 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

  1. Edfinity Demo
  2. 1.1 Real Numbers: Algebra Essentials
  3. 1.2 Exponents and Scientific Notation
  4. 1.3 Radicals and Rational Exponents
  5. 1.4 Polynomials
  6. 1.5 Factoring Polynomials
  7. 1.6 Rational Expressions
  8. 2.1 The Rectangular Coordinate Systems and Graphs
  9. 2.2 Linear Equations in One Variable
  10. 2.3 Models and Applications
  11. 2.4 Complex Numbers
  12. 2.5 Quadratic Equations
  13. 2.6 Other Types of Equations
  14. 2.7 Linear Inequalities and Absolute Value Inequalities
  15. 3.1 Functions and Function Notation
  16. 3.2 Domain and Range
  17. 3.3 Rates of Change and Behavior of Graphs
  18. 3.4 Composition of Functions
  19. 3.5 Transformation of Functions
  20. 3.6 Absolute Value Functions
  21. 3.7 Inverse Functions
  22. 4.1 Linear Functions
  23. 4.2 Modeling with Linear Functions
  24. 4.3 Fitting Linear Models to Data
  25. 5.1 Quadratic Functions
  26. 5.2 Power Functions and Polynomial Functions
  27. 5.3 Graphs of Polynomial Functions
  28. 5.4 Dividing Polynomials
  29. 5.5 Zeros of Polynomial Functions
  30. 5.6 Rational Functions
  31. 5.7 Inverses and Radical Functions
  32. 5.8 Modeling Using Variation
  33. 6.1 Exponential Functions
  34. 6.2 Graphs of Exponential Functions
  35. 6.3 Logarithmic Functions
  36. 6.4 Graphs of Logarithmic Functions
  37. 6.5 Logarithmic Properties
  38. 6.6 Exponential and Logarithmic Equations
  39. 6.7 Exponential and Logarithmic Models
  40. 6.8 Fitting Exponential Models to Data
  41. 7.1 Angles
  42. 7.2 Right Triangle Geometry
  43. 7.3 Unit Circle
  44. 7.4 The Other Trigonometric Functions
  45. 8.1 Graphs of the Sine and Cosine Functions
  46. 8.2 Graphs of the Other Trigonometric Functions
  47. 8.3 Inverse Trigonometric Functions
  48. 9.1 Solving Trigonometric Equations and Identities
  49. 9.2 Sum and Difference Identities
  50. 9.3 Double-Angle, Half-Angle and Reduction Formulas
  51. 9.4 Sum-to-Product and Product-to-Sum Formulas
  52. 9.5 Solving Trigonometric Functions
  53. 10.1 Non-Right Triangles: Law of Sines
  54. 10.2 Non-Right Triangles: Law of Cosines
  55. 10.3 Polar Coordinates
  56. 10.4 Polar Coordinates: Graphs
  57. 10.5 Polar Form of Complex Numbers
  58. 10.6 Parametric Equations
  59. 10.7 Parametric Equations: Graphs
  60. 10.8 Vectors
  61. 11.1 Systems of Linear Equations: Two Variables
  62. 11.2 Systems of Linear Equations: Three Variables
  63. 11.3 Systems of Nonlinear Equations and Inequalities: Two Variables
  64. 11.4 Partial Fractions
  65. 11.5 Matrices and Matrix Operations
  66. 11.6 Solving Systems with Gaussian Elimination
  67. 11.7 Solving Systems with Inverses
  68. 11.8 Solving Systems with Cramer's Rule
  69. 12.1 The Ellipse
  70. 12.2 The Hyperbola
  71. 12.3 The Parabola
  72. 12.4 Rotation of Axis
  73. 12.5 Conic Sections in Polar Coordinates
  74. 13.1 Sequences and their Notation
  75. 13.2 Arithmetic Sequences
  76. 13.3 Geometric Sequences
  77. 13.4 Series and their Notations
  78. 13.5 Counting Principles
  79. 13.6 Binomial Theorem
  80. 13.7 Probability

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