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ERIC Number: EJ1033149
Record Type: Journal
Publication Date: 2013-Aug
Pages: 5
Abstractor: As Provided
Reference Count: 5
ISSN: ISSN-0025-5769
Technology Tips: Investigating Extrema with GeoGebra
Cullen, Craig J.; Hertel, Joshua T.; John, Sheryl
Mathematics Teacher, v107 n1 p68-72 Aug 2013
The NCTM Algebra Standard suggests that students use technology to explore the effects of varying the parameters in y = ax2 + bx + c. This article discusses an extension of this task that incorporates dynamic geometry software to engage students in generating, testing, and proving mathematical conjectures.
National Council of Teachers of Mathematics. 1906 Association Drive, Reston, VA 20191-1502. Tel: 800-235-7566; Tel: 703-620-3702; Fax: 703-476-2970; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A