Question

What is the graph of the inequality in the coordinate plane?

x >=4

Answer 1

Use geogebra to graph x=4. So the line x=4 and everything greater then x=4 is a solution.

http://www.geogebra.org/cms/

Export the geogebra graph to a png file and then open it in Microsoft paint program. Grab the paint bucket and fill everything to the right of the line with your favorite color.

Answer 2

See this web site.

http://www.mathwarehouse.com/algebra/linear_equation/linear-inequality.php