ThinkTankTutors 5 Minute Mathematics.
Algebra: Distance formula: Between Two Points + Graphs
This Mathematics video is a quick demonstration on using the distance formula. The distance formula is used to give you the exact distance between two points from either the coordinates or graph. This video is designed to quickly teach and help you with the distance formula so you can do your home work, take quizzes and study for test.
Here is a worksheet for the distance formula that will help you practice and solidify your understanding.