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.
Video courtesy of eHowUK
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- APA style
- What Are Variables?. (2013, March 2). In ClassBrain Math Tutorials. Retrieved 10:59, May 19, 2013, from http://www.classbrainmath.com/2010/03/introduction-to-equations-defining-variables/
- MLA style
- Cynthia Kirkeby, “What Are Variables?.” ClassBrain Math Tutorials. 2 March 2013, 10:46 UTC. . 19 May 2013 <http://www.classbrainmath.com/2010/03/introduction-to-equations-defining-variables/>.
- MHRA style
- Cynthia Kirkeby, 'What Are Variables?', ClassBrain Math Tutorials, 2 March 2013, 10:46 UTC, <http://www.classbrainmath.com/2010/03/introduction-to-equations-defining-variables/> [accessed 19 May 2013]
- The Chicago Manual of Style
- Cynthia Kirkeby, “What Are Variables?.” ClassBrain Math Tutorials, http://www.classbrainmath.com/2010/03/introduction-to-equations-defining-variables/ [accessed May 19, 2013].
- CBE/CSE style
- Cynthia Kirkeby, What Are Variables? [Internet]. ClassBrain Math Tutorials; 2013 March 2, 10:46 UTC [cited 2013 May 19]. Available from: http://www.classbrainmath.com/2010/03/introduction-to-equations-defining-variables/.
- Bluebook style
- What Are Variables?, http://www.classbrainmath.com/2010/03/introduction-to-equations-defining-variables/ (last visited May. 19, 2013).
- AMA style
- Cynthia Kirkeby, What Are Variables?. ClassBrain Math Tutorials. March 2, 2013, 10:46 UTC. Available at: http://www.classbrainmath.com/2010/03/introduction-to-equations-defining-variables/. Accessed May 19, 2013.
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