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Technology/Technology Tips
Technology Tips: Investigating Extrema with GeoGebra

Craig J. Cullen, Joshua T. Hertel, and Sheryl John; Edited by Larry Ottman and James Kett 

August 2013, Volume 107, Issue 1, Page 68

Abstract:
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.

Keywords:
Calculus and Higher Level Mathematics
Grades 9-12
Graphing
Teacher
Polynomials
Technology