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ERIC Number: EJ1178965
Record Type: Journal
Publication Date: 2018-Mar
Pages: 8
Abstractor: ERIC
ISSN: ISSN-0025-5769
Inverse Functions: Why Switch the Variable?
Teuscher, Dawn; Palsky, Kylie; Palfreyman, Charlie Y.
Mathematics Teacher, v111 n5 p374-381 Mar 2018
The goal of this article is to raise questions that will promote discussions among secondary mathematics teachers about the concept of inverse functions and how to motivate a more conceptual understanding of them in their classrooms. The authors share data to answer the following questions: (1) What meanings of inverse functions do high school students hold; (2) What meanings are helpful in advancing students' understanding of mathematics; and (3) In what ways can teachers elicit a more powerful meaning of inverse functions? The article concludes with questions to think about on the use of variables and how they relate to inverse functions.
National Council of Teachers of Mathematics. 1906 Association Drive, Reston, VA 20191. Tel: 800-235-7566; Tel: 703-620-9840; Fax: 703-476-2570; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: Secondary Education
Audience: Teachers
Language: English
Sponsor: National Science Foundation (NSF)
Authoring Institution: N/A
Grant or Contract Numbers: EHR0412537