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Elementary algebra, also known as college algebra, encompasses the basic concepts of algebra. It is often contrasted with arithmetic: arithmetic deals with specified numbers, whilst algebra introduces variables (quantities without fixed values).
A free and flexible textbook for elementary algebra, covering real numbers, equations, inequalities, polynomials, rational expressions, radical expressions, and quadratic equations. Includes applications, examples, exercises, video resources, and a modular format.
The web page for the introduction chapter of the free textbook Elementary Algebra 2e by OpenStax is not working properly. It shows an error message and suggests restarting the browser or visiting the support center.
Learn the basics of algebra with 16 units covering topics such as linear equations, inequalities, functions, graphs, exponential models, and quadratic equations. Test your knowledge with quizzes, exercises, and a course challenge.
Learn about the basics, equations and solutions of elementary algebra, a branch of mathematics that deals with the general properties of numbers and the relations between them. Explore the history, symbols, geometric representations and applications of algebra in science, statistics and business.
Learn the basics of algebra with puzzles, examples and exercises. Find out how to use letters, balance equations and cancel out terms.
Elementary Algebra 2e meets scope and sequence requirements for a semester elementary algebra course and expands on the fundamental concepts of algebra.
