Inequalities
AoPS Staff
Master inequalities! This course covers techniques & problem-solving, perfect for math competitions and beyond. Join AoPS!
More resources on Inequalities
Wolfram MathWorld
MathWorld is an online mathematics encyclopedia from Wolfram Research offering detailed, browsable articles on topics across the math spectrum, including algebra, geometry, calculus, and number theory. Each entry includes definitions, theorems, formulas, diagrams, worked examples, and links to further reading.
Art of Problem Solving Wiki: Inequalities
Competition-math wiki page from Art of Problem Solving surveying the standard inequalities: AM-GM, Cauchy-Schwarz, Jensen, rearrangement, Hölder and others, with statements, proofs and links to olympiad problems. Prepares students to recognize and apply these tools in contest proofs.
Algebra: Inequalities
Master inequalities! This Algebra course from Sal Khan et al. explains solving, graphing, and applying inequalities.
College Algebra
Coursera course: Basic Math: Algebra
Algebra: Elementary to Advanced - Polynomials and Roots
Third course in Johns Hopkins's algebra sequence, covering exponential functions, polynomial arithmetic and factoring, square and nth roots, and percent and interest applications. Finishes with a cumulative exam, preparing you for precalculus, statistics or data science coursework.
mathsisfun.com
MathIsFun.com is a beginner-friendly math site that explains concepts with clear, step-by-step lessons and interactive activities. It covers topics from algebra and linear equations to geometry, fractions, data, and more, with practice problems, worksheets, and quizzes.