Expression
Pronunciation: /ɪkˈsprɛ.ʃən/ Explain
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
x^{2} - 2x + 3
(a + 3)(a - 3)
Examples of mathematical formulas that are not an expression are:
t = 4
0 = x^{2} - 4x
+ 2
x + 5 ≤ 37
References
- McAdams, David E.. All Math Words Dictionary, expression. 2nd Classroom edition 20150108-4799968. pg 76. Life is a Story Problem LLC. January 8, 2015. Buy the book
- Keigwin, H. W.. Principles of Elementary Algebra. pg 4. www.archive.org. Ginn & Company. 1886. Last Accessed 7/9/2018. http://www.archive.org/stream/principlesofelem00dupurich#page/4/mode/1up/search/expression. Buy the book
- Alan S. Tussy, R. David Gustafson. Elementary and Intermediate Algebra. 4th edition. pp 74-78. Brooks Cole. April 7, 2008. Last Accessed 7/9/2018. Buy the book
Cite this article as:
McAdams, David E. Expression. 4/20/2019. All Math Words Encyclopedia. Life is a Story Problem LLC. https://www.allmathwords.org/en/e/expression.html.
Revision History
4/20/2019: Updated expressions and equations to match new format. (
McAdams, David E.)
12/21/2018: Reviewed and corrected IPA pronunication. (
McAdams, David E.)
7/5/2018: Removed broken links, updated license, implemented new markup, implemented new Geogebra protocol. (
McAdams, David E.)
2/3/2010: Added "References". (
McAdams, David E.)
8/1/2008: Added several vocabulary links. (
McAdams, David E.)
7/12/2007: Initial version. (
McAdams, David E.)