Openstax Intermediate Algebra 2E — Lessons, Skills & Practice | Pengi

OpenStax Intermediate Algebra 2E is a free, open-source textbook published by OpenStax (Rice University), designed for college-level intermediate algebra courses that are also widely used in advanced high school math programs. The book covers a broad range of algebraic topics including foundations of arithmetic, solving and graphing linear equations, systems of equations, polynomials, factoring, rational expressions, roots and radicals, quadratic equations, exponential and logarithmic functions, conic sections, and sequences and series. It provides a thorough bridge between introductory algebra and college-level precalculus, making it an ideal resource for students strengthening their math foundations.

Openstax Intermediate Algebra 2E covers 12 chapters and 70 lessons on Pengi.

Openstax Intermediate Algebra 2E textbook table of contents

Chapter 1: Foundations

Chapter 2: Solving Linear Equations

Chapter 3: Graphs and Functions

Chapter 4: Systems of Linear Equations

  • Lesson 4.1: Solve Systems of Linear Equations with Two VariablesLearnPractice
  • Lesson 4.2: Solve Applications with Systems of EquationsLearnPractice
  • Lesson 4.3: Solve Mixture Applications with Systems of EquationsLearnPractice
  • Lesson 4.4: Solve Systems of Equations with Three VariablesLearnPractice
  • Lesson 4.5: Solve Systems of Equations Using MatricesLearnPractice
  • Lesson 4.6: Solve Systems of Equations Using DeterminantsLearnPractice
  • Lesson 4.7: Graphing Systems of Linear InequalitiesLearnPractice

Chapter 5: Polynomials and Polynomial Functions

Chapter 6: Factoring

Chapter 7: Rational Expressions and Functions

Chapter 8: Roots and Radicals

Chapter 9: Quadratic Equations and Functions

  • Lesson 9.1: Solve Quadratic Equations Using the Square Root PropertyLearnPractice
  • Lesson 9.2: Solve Quadratic Equations by Completing the SquareLearnPractice
  • Lesson 9.3: Solve Quadratic Equations Using the Quadratic FormulaLearnPractice
  • Lesson 9.4: Solve Equations in Quadratic FormLearnPractice
  • Lesson 9.5: Solve Applications of Quadratic EquationsLearnPractice
  • Lesson 9.6: Graph Quadratic Functions Using PropertiesLearnPractice
  • Lesson 9.7: Graph Quadratic Functions Using TransformationsLearnPractice
  • Lesson 9.8: Solve Quadratic InequalitiesLearnPractice

Chapter 10: Exponential and Logarithmic Functions

Chapter 11: Conics

Chapter 12: Sequences, Series and Binomial Theorem

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