Three Lessons on Parabolas—What, Where, Why

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Using The Geometer's Sketchpad, this sequence of algebra lessons introduces quadratic functions as the product of two linear functions.

Supplementary Materials

    • Supplemental Materials (MP4 18.6 MB)

Contributor Notes

Ben Ceyanes,, is a math interventionalist at Marble Falls High School in Marble Falls, Texas, working with algebra 1 and algebra 2 students who need extra help.

Pamela Lockwood,, is a professor of mathematics and director of the Attebury Honors Program at West Texas A&M University in Canyon. She teaches calculus and statistics and researches biomathematics and strategies that affect student retention in the STEM disciplines.

Kristina Gill,, is an assistant professor of mathematics education at West Texas A'M University, where she teaches school mathematics content courses. Her research interests include students' attitude toward mathematics and innovations in how students learn and are motivated to excel in mathematics.

(Corresponding author is Ceyanes
(Corresponding author is Lockwood
(Corresponding author is Gill
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