# What is Algebra?

May 19th, 2015
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Algebra is a branch of mathematics that uses mathematical statements to describe relationships between things that vary over time. These variables include things like the relationship between supply of an object and its price.

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Jamie S. BaruzoJune 11, 2012MathematicsII - MolaveWhat is Algebra?Algebra is a branch of mathematics that uses mathematical statements to describe relationships between things that vary over time. These variables include things like the relationship between supply of an object and its price. When we use a mathematical statement to describe a relationship, we often use letters to represent the quantity that varies, since it is not a fixed amount. These letters and symbols are referred to as variables. The mathematical statements that describe relationships are expressed using algebraic terms, expressions, or equations (mathematical statements containing letters or symbols to represent numbers). Before we use algebra to find information about these kinds of relationships, it is important to first cover some basic terminology. In this unit we will first define terms, expressions, and equations. In the remaining units in this book we will review how to work with algebraic expressions, solve equations, and how to construct algebraic equations that describe a relationship. We will also introduce the notation used in algebra as we move through this unit.Who is the Father of Algebra?Diophantus of Alexandria is sometimes called "the father of algebra".The word "algebra" comes from the Arabic word "al-jabr", meaning reunion and is part of the title of from a book on mathematics written by Muhammed ibn Musa Al-Khwarizmi. He was an Arab m

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