Secant and Tangent Lines

x

0

h

tangent line

secant slope = -32

This Demonstration illustrates the connection between the secant line and the tangent line at a point on a curve. You can vary the point of tangency and the difference

h

of the

x

values of the two points defining the secant line.

External Links

Secant Approximations

Permanent Citation

Joshua Fritz, Angela Sharp, Chad Pierson

"Secant and Tangent Lines"
http://demonstrations.wolfram.com/SecantAndTangentLines/
Wolfram Demonstrations Project
Published: September 18, 2007