Connecting the formula to the graphic representation of quadratic functions makes the mathematics meaningful to students.

Contributor Notes

Thomas G. Edwards, t.g.edwards@wayne.edu. KENNETH R. CHELST, kchelst@wayne.edu, are colleagues at Wayne State University in Detroit, Michigan. They are interested in developing mathematics concepts in meaningful ways, as well as supporting the teaching and learning of mathematics using a variety of technological tools.

(Corresponding author is Edwards t.g.edwards@wayne.edu)
(Corresponding author is Chelst kchelst@wayne.edu)
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