Pronunciation: /dʒɔɪnt.li prəˈpoʊr.ʃə.nl/ Explain
A variable z is jointly proportional
to two other variables x and y if z is
proportional to x and y taken one at a time.
z = 3xy.
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|Manipulative 1 - Jointly Proportional Created with GeoGebra.|
- McAdams, David E.. All Math Words Dictionary, joint proportion. 2nd Classroom edition 20150108-4799968. pg 104. Life is a Story Problem LLC. January 8, 2015. Buy the book
- Bettinger, Alvin K. and Englund, John A.. Algebra and Trigonometry. pg 58. www.archive.org. International Textbook Company. January 1963. Last Accessed 8/8/2018. http://www.archive.org/stream/algebraandtrigon033520mbp#page/n75/mode/1up/search/jointly. Buy the book
Cite this article as:
McAdams, David E. Jointly Proportional. 12/21/2018. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/j/jointproportion.html.
12/21/2018: Reviewed and corrected IPA pronunication. (McAdams, David E.)
8/7/2018: Initial version. (McAdams, David E.)