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Two-dimensional plot (red curve) of the algebraic equation . Elementary algebra, also known as college algebra, [1] encompasses the basic concepts of algebra. It is often contrasted with arithmetic: arithmetic deals with specified numbers, [2] whilst algebra introduces variables (quantities without fixed values). [3]
Khan Academy is an American non-profit [3] educational organization created in 2006 by Sal Khan. [1] Its goal is to create a set of online tools that help educate students. [4] The organization produces short video lessons. [5] Its website also includes supplementary practice exercises and materials for educators.
Algebra is the branch of mathematics that studies algebraic structures and the operations [ a ] they use. [ 2 ] An algebraic structure is a non-empty set of mathematical objects, such as the integers, together with algebraic operations defined on that set, like addition and multiplication. [ 3 ]
College algebra is offered at many community colleges as remedial courses for students who did not pass courses before Calculus. [69] It should not be confused with abstract algebra and linear algebra , taken by students who major in mathematics and allied fields (such as computer science) in four-year colleges and universities.
OpenStax (formerly OpenStax College) is a nonprofit educational technology initiative based at Rice University. Since 2012, OpenStax has created peer-reviewed, openly licensed textbooks, which are available in free digital formats and for a low cost in print. Most books are also available in Kindle versions on Amazon.com and in the iBooks Store.
Math 55. Math 55 is a two-semester freshman undergraduate mathematics course at Harvard University founded by Lynn Loomis and Shlomo Sternberg. The official titles of the course are Studies in Algebra and Group Theory (Math 55a) [1] and Studies in Real and Complex Analysis (Math 55b). [2] Previously, the official title was Honors Advanced ...
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