Algebra is the branch of mathematics that deals with the study of vectors, vector spaces (also called linear spaces), linear transformations (also called linear maps) and systems of linear equations. Linear comes from the Latin word linearis, which means that it is or resembles a line. linear (comparatively linear, superlative, most linear). A linear definition of, consisting of, or using lines: linear design. Mathematically linear means that what comes out is directly proportional to what goes in.
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