Khan Academy: Improper Integrals: Improper Integral With Two Infinite Bounds

Can an equation have an infinite number of solutions? Allow your class to discover the relationship between the input and output variables in a two-variable equation. Class members explore the concept through tables and graphs and...

Video continuing to show how to parameterize a torus using two parameters by writing the position vector valued functions. [16:32]

Video expands on medical example from previous video and explains the difference between a one-tailed and two-tailed hypothesis test, when they would be used, and gives an example of calculating a one-tailed test. [6:34]

This video demonstrates how to write a two variable inequality given the graph of the inequality on a coordinate plane. Practice problems available. [3:20]

Video showing how to evaluate an expression which contains two variables.

A demonstration of finding the limit of a function using two horizontal asymptotes.

Sometimes you'll need to solve an equation with multiple variables on each side. This step-by-step tutorial will show you how to set your equation to 0, factor out the GCF, simplify, write your answers as a set, then plug and chug to...

Watch a video to explore an introduction to improper integrals.

Explore divergent improper intergals through this video.

This video shows how to evaluate a definite integral using u substitution.