This lesson shows how to determine the equation for the axis of symmetry of a parabola on a graph. It is 5 of 8 in the series titled "Finding the Axis of Symmetry of a Parabola."

This video lesson [4:01] demonstrates how to find a missing angle in a complementary angle pair. Students can check their understanding with an assessment.

This video lesson demonstrates how to graph a quadratic function when the b term equals zero. Students can check their understanding with an assessment.

This video tutorial describes how to determine if the vertex of a parabola is the minimum or maximum. The lesson includes a detailed example.

This video lesson [2:10] defines and provides an example of adjacent angles. Students can check their understanding with an assessment.

A screencast showing how to change vertex edge digraphs into matrices. [6:09]

This QuickTime movie offers a great explanation of the subject of networks and when they can be "traveled". As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.

This QuickTime movie offers a great introduction to the subject of networks using the classic problem of the Konigsberg bridges. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying...

This QuickTime movie offers an opportunity to learn the parts of a network. You will also learn which vertices are even and which are odd in a network. As you watch and listen to the teacher and student interact it helps clarify the...

This QuickTime movie offers a great explanation of Euler's Discovery and how it can be applied to the subject of networks using the Konigsberg bridges problem. As you watch and listen to the teacher and student interact it helps clarify...

This QuickTime movie provides an opportunity to learn about congruent/vertical angles. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.