This is a detailed site concerning tangent lines to curves. The site gives the limiting definition of the slope of the tangent. This site has a link to a discussion and animation of the approaching secant line, a java applet for the...

In this activity, students graph the cubic and quadratic functions. They also graph the slope values of the tangent lines for each of the function graphs.

The Northeast Parallel Architectures Center at Syracuse University offers a fairly detailed site explaining the slope of a tangent line to a curve.

Students use the given graph to estimate the slope of a tangent line. The resource consists of an enlarged printable version of a math graph available in PDF format.

Students use the given graph to estimate the slope of a tangent line. The resource consists of an enlarged printable version of a math graph available in PDF format.

Students use the given graph to estimate the slope of a tangent line. The resource consists of an enlarged printable version of a math graph available in PDF format.

Students use the given graph to estimate the slope of a tangent line. The resource consists of an enlarged printable version of a math graph available in PDF format.

In this activity, students use the CellSheet Application to approximate the slope of a line tangent to a curve.

Learners estimate the slope of the tangent line and verify their answer analytically. The graph is available in PDF format.

Learners estimate the slope of the tangent line and verify their answer analytically. The graph is available in PDF format.

The practice problem compares finding the slope of the tangent line graphically and analytically. The handout is available in PDF format.

The practice problem compares finding the slope of the tangent line graphically and analytically. The handout is available in PDF format.

The resource has students estimate the slope of the tangent line at a given point. The graph is available in PDF format.

The resource has students estimate the slope of the tangent line at a given point. The graph is available in PDF format.

This site give the formula for finding the slope of the tangent line to a polar graph. The page offers step by step explanations and worked examples.

Learners examine the concept of a slope related to differential calculus. The math graph is available in PDF format.

Learners examine the concept of a slope related to differential calculus. The math graph is available in PDF format.

The handout has students estimate the rate of change of the function at a given point. The exercise consists of a graph available in PDF format.

The handout has students estimate the rate of change of the function at a given point. The handout consists of a graph available in PDF format.

Students estimate the derivative of the function at a point. The function graph is available in PDF format.

Students estimate the derivative of the function at a point. The function graph is available in PDF format.

This site goes through a step by step example of how to find the equation of the tangent to a curve using the derivative.

A short interactive activity to help you visualize the slope of a secant as it gets closer to the tangent line.

This document looks at look at the difference between averages and instantaneous rates of change. Formulas are provided for average speed, instantaneous speed, the slope of a secant line, the slope of a tangent, and the slope of a curve...