College Algebra
By Dr. Akash Garg, DC, MS, MBA, MEd · Updated October 20, 2026
Every rule explained, every step shown. Free to read, practice and play, with no sign-up.
14chapters
14animated modules
70interactives
1game
See It: College Algebra
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See algebra move: graphs that draw themselves and equations that balance. 14 animated walkthroughs, each with a hands-on lab. Pause, slow down or have it read aloud.
- 1Real numbers, exponents and radicals
- 2Polynomials and factoring
- 3Linear equations and inequalities
- 4Lines, slope and graphs
- 5Functions, domain and range
- 6Transformations of functions
- 7Quadratic functions and equations
- 8Polynomial functions and their graphs
- 9Rational functions and asymptotes
- 10Composition and inverse functions
- 11Exponential functions: growth and decay
- 12Logarithms and log equations
- 13Systems of equations and matrices
- 14Sequences, series and counting
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Chapters
- 1Real Numbers & ExponentsNumber sets, properties, order of operations, exponent rules & scientific notation
- 2Linear Equations & InequalitiesSolving, formulas, applications, compound & absolute-value inequalities
- 3Graphs & LinesThe coordinate plane, slope, forms of a line, parallel & perpendicular
- 4Introduction to FunctionsDefinition, notation, domain & range, the toolkit graphs & transformations
- 5Systems of Equations & InequalitiesGraphing, substitution, elimination, 3×3 systems & applications
- 6Polynomials & FactoringOperations, GCF, grouping, trinomials & the special patterns
- 7Rational ExpressionsSimplifying, operations, complex fractions & rational equations
- 8Radicals & Rational ExponentsSimplifying, operations, rationalizing & radical equations
Show all 14 chapters
- 9Quadratic Equations & FunctionsFactoring, completing the square, the quadratic formula & parabolas
- 10Polynomial & Rational FunctionsEnd behavior, zeros, division, asymptotes & graphing
- 11Exponential FunctionsGrowth & decay, the number e, and compound interest
- 12Logarithmic FunctionsDefinition, evaluation, graphs & the properties of logarithms
- 13Exponential & Logarithmic EquationsSolving both types, extraneous solutions & applications
- 14Sequences, Series & the Binomial TheoremArithmetic & geometric sequences, infinite series & binomial expansion
Written by Dr. Akash Garg
Doctor of Chiropractic, MS in Pharmacology, MS in Management and Leadership, MBA, and MEd degrees in Chemistry, English, Higher Education and Learning Experience Design. Teaching college science since 2007.