This online exercise helps you to establish the link between the inequalities and plane regions. It can either plot a region and ask you to recognize the corresponding inequality among a list to choose from, or give an inequality and ask you to recognize the plane region it describes.
Other exercises on: graphic Inequalities
Please take note that WIMS pages are interactively generated; they are not ordinary HTML files. They must be used interactively ONLINE. It is useless for you to gather them through a robot program.