Jiskha.com offers math homework help that provides a general overview of direct and indirect variation, including a few simple graphing examples.

The discussion examines direct variation. Students learn about the math concept through definitions and sample exercises.

Practice using your graphing calculator for similarity and proportion problems. If you get stumped or if you would like to check your work, then select the View Solution button, which is located directly under each problem.

[Free Registration/Login may be required to access all resource tools.] Graph, write, and solve inverse variations.

In this activity, students study Hooke's Law. They understand that stretch on a spring is directly proportional to the force applied to the end of the string. Students observe a spring being stretched as candies are added to a cup...