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This article is about the branch of mathematics; for other uses of the term see algebra (disambiguation).
Algebra (from Arabic: الجبر, al-ğabr) is a branch of mathematics concerning the study of structure, relation and quantity. Elementary algebra is often taught in secondary education and gives an introduction to the basic ideas of algebra: studying what happens when numbers are added or multiplied, and how to make polynomials and find their roots.

Algebra is much broader than elementary algebra and can be generalized. Rather than working directly with numbers, one can work with symbols, variables, or elements of some set. Addition and multiplication are viewed as general operations, and their precise definitions lead to structures such as groups, rings and fields.

Together with geometry and analysis, algebra is one of the three main branches of mathematics.

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Find the domain of the function. p(x)=x squared - 2x + 9 What is the domain of p? http://algebra.com/t/235329
algebra_com (Algebra.Com) Thu, 05 Nov 2009 04:57:06 -0000
Find the domain of the function. p(x)=x squared - 2x + 9 What is the domain of p? http://algebra.com/t/235329
22. The length of a rectangle is 5 centimeters less than twice its width. The perimeter of the rectangle is 26 http://algebra.com/t/235328
algebra_com (Algebra.Com) Thu, 05 Nov 2009 04:56:57 -0000
22. The length of a rectangle is 5 centimeters less than twice its width. The perimeter of the rectangle is 26 http://algebra.com/t/235328
HOW DO I GRAPH A LINEAR OR NON LINEAR EQUATION http://algebra.com/t/235327
algebra_com (Algebra.Com) Thu, 05 Nov 2009 04:56:05 -0000
HOW DO I GRAPH A LINEAR OR NON LINEAR EQUATION http://algebra.com/t/235327
find the length of the shorter leg of a right triangle if the longer leg is 12 feet more than the shorter leg http://algebra.com/t/235326
algebra_com (Algebra.Com) Thu, 05 Nov 2009 04:55:43 -0000
find the length of the shorter leg of a right triangle if the longer leg is 12 feet more than the shorter leg http://algebra.com/t/235326
Find the slope if it exists, of the line containing the pair of points (5,2) and (9,-3) The slope m = http://algebra.com/t/235325
algebra_com (Algebra.Com) Thu, 05 Nov 2009 04:55:08 -0000
Find the slope if it exists, of the line containing the pair of points (5,2) and (9,-3) The slope m = http://algebra.com/t/235325
procrastinating College Algebra Home work due tomorrow and english project due fri
rOnNiE003 (Veronica Ruiz) Thu, 05 Nov 2009 04:53:59 -0000
procrastinating College Algebra Home work due tomorrow and english project due fri

 
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