OpenStax College Algebra
College Algebra provides a comprehensive exploration of algebraic principles and meets scope and sequence requirements for a typical introductory algebra course. The modular approach and richness of content ensure that the book meets the needs of a variety of courses. College Algebra offers a wealth of examples with detailed, conceptual explanations, building a strong foundation in the material before asking students to apply what they’ve learned.
Khan Academy Algebra I
This introductory course covers Algebra foundations, Solving equations & inequalities, Working with units, Linear equations & graphs, Forms of linear equations, Systems of equations, Inequalities (systems & graphs), Functions, Sequences, Absolute value & piecewise functions, Exponents & radicals, Exponential growth & decay, Quadratics: Multiplying & factoring, Quadratic functions & equations, & Irrational numbers.
Khan Academy Algebra II
This companion course to Algebra I covers Polynomial arithmetic, Complex numbers, Polynomial factorization, Polynomial division, Polynomial graphs, Rational exponents and radicals, Exponential models, Logarithms, Transformations of functions, Equations, Trigonometry, Modeling, &
Rational functions
WlframMathWorld Algebra
MathWorld is an extensive online encyclopedia of mathematical concepts. It was created and largely written by Eric W. Weisstein. It is sponsored by and licensed to Wolfram Research, Inc. and was partially funded by the National Science Foundation's National Science Digital Library grant to the University of Illinois at Urbana–Champaign.
Pre-Algebra and Algebra Videos by Topic
List of hundreds of videos, all stored on YouTube and each about five minutes long. The creator, Tyler Wallace, also provides textbooks, solutions manual, and workbooks.
edX Algebra
EdX offers both introductory and advanced algebra courses. Get started solving equations and learning algebraic expression basics with the free online course from SchoolYourself. The self-paced algebra course will teach you how to work with integers, decimals and fractions, how to evaluate powers and roots and how to solve single and multi-variable equations and inequalities with online quizzes and algebra worksheets. Algebra is essential for both high school and college math curriculums and this will serve as a pre-algebra course. Working through these algebra problems will get you well-prepared for further math study.
