Inequalities with GeoGebra - Intervals on the Number Line

User interacts in a variety of ways with inequalities and then checks answer !

InterActivity	Description
Activity 0	Type in an inequality and then graph it.
Activity 1	From the graph on the number line, determine the correct inequality symbol to match the graph
Activity 2	Given an inequality, find the endpoint of the interval, the point type and arrow direction. .
Activity 4	Type in 2 inequalities and then graph them. Gives resulting interval of intersection.

Meta Data		Application Data
Grade Level	7th and up	Author	LFS - contact - website
Math Strand	Algebra and Functions AF at Math247	Type	Free - online & download with instructions: totally offline & school (GeoGebra webstart)
Math Standard	Algebra & Functions 7 4.1   ACT EE 24-37   ACT GR 24-27	Use	Requires sunJava player
Keywords	inequality, number line, 1 variable, interval, algebra, dynamic, freeware, applet, offline, online