What Are Variables?
Variables are used throughout Algebra, Geometry, and Calculus. They are the basic building blocks. Variables are therefore very important to understand.
A variable is a symbol, such as x, that is used to describe an unknown number. In functions variables often represent not one number, but many different numbers. Understanding variables is essential for you to understanding problems that will need to be graphed.
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- What Are Variables?. (2010, October 18). In ClassBrain Math. Retrieved 00:09, February 8, 2012, from http://www.classbrainmath.com/2010/03/introduction-to-equations-defining-variables/
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- Cynthia Kirkeby, “What Are Variables?.” ClassBrain Math. 18 October 2010, 05:35 UTC. . 8 Feb 2012 <http://www.classbrainmath.com/2010/03/introduction-to-equations-defining-variables/>.
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- Cynthia Kirkeby, 'What Are Variables?', ClassBrain Math, 18 October 2010, 05:35 UTC, <http://www.classbrainmath.com/2010/03/introduction-to-equations-defining-variables/> [accessed 8 February 2012]
- The Chicago Manual of Style
- Cynthia Kirkeby, “What Are Variables?.” ClassBrain Math, http://www.classbrainmath.com/2010/03/introduction-to-equations-defining-variables/ [accessed February 8, 2012].
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- Cynthia Kirkeby, What Are Variables? [Internet]. ClassBrain Math; 2010 October 18, 05:35 UTC [cited 2012 Feb 8]. Available from: http://www.classbrainmath.com/2010/03/introduction-to-equations-defining-variables/.
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- Cynthia Kirkeby, What Are Variables?. ClassBrain Math. October 18, 2010, 05:35 UTC. Available at: http://www.classbrainmath.com/2010/03/introduction-to-equations-defining-variables/. Accessed February 8, 2012.
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