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Using Technology to Optimize and Generalize: The Least-Squares Line

Maurice Burke, Ted Hodgson 

September 2007, Volume 101, Issue 2, Page 102

Abstract:
With the help of technology and a basic high school algebra method for finding the vertex of a quadratic polynomial, students can develop and prove the formula for least-squares lines. Students are exposed to the power of a computer algebra system to generalize processes they understand and to see deeper patterns in those processes.

Keywords:
Article
Calculators
Conceptual Development
Grades 9-12
Curriculum
Teacher