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Tangent Lines without Calculus

Jeffrey Rabin 

March 2008, Volume 101, Issue 7, Page 499

Abstract:
A problem that can help high school students develop the concept of instantaneous velocity and connect it with the slope of a tangent line to the graph of position versus time. It also gives a method for determining the tangent line to the graph of a polynomial function at any point without using calculus. It encourages problem solving and multiple solutions.

Keywords:
Article
Algebra
Conceptual Development
Grades 9-12
Teacher
Trigonometry
Problems
Problem Solving / Problem Posing
Theory