Expression

Pronunciation: /ɪkˈsprɛ ʃən/ ?

An expression is a set of variables, numbers, operators, parenthesis and functions without any equal sign or inequalities that has mathematical meaning. Examples of expressions include:
5x+2
x2-2x+3
(a+3)(a-3)

Examples of mathematical formulas that are not an expression are:
t = 4
0 = x2-4x+2
x+5 ≤ 37

References

  1. expression. http://wordnet.princeton.edu/. WordNet. Princeton University. (Accessed: 2011-01-08). http://wordnetweb.princeton.edu/perl/webwn?s=expression&sub=Search+WordNet&o2=&o0=1&o7=&o5=&o1=1&o6=&o4=&o3=&h=.
  2. Keigwin, H. W.. Principles of Elementary Algebra, pg 4. Ginn & Company, 1886. (Accessed: 2010-01-12). http://www.archive.org/stream/principlesofelem00dupurich#page/4/mode/1up/search/expression.
  3. Alan S. Tussy, R. David Gustafson. Elementary and Intermediate Algebra, 4th edition, pp 74-78. Brooks Cole, April 7, 2008. (Accessed: 2010-02-03).

Printed Resources

Cite this article as:


Expression. 2010-02-02. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/e/expression.html.

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Revision History


2010-02-03: Added "References" (McAdams, David.)
2008-08-01: Added several vocabulary links (McAdams, David.)
2007-07-12: Initial version (McAdams, David.)

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