Coordinate Point
.
            .           
              .          . (3,2)
.
.    .    .     .   .   .   .   .
.
.
.
.



http://www.mathopenref.com/coordpoint.html

http://www.funbrain.com/co/index.html

http://www.themathpage.com/alg/rectangular-coordinates.htm

http://www.mathsisfun.com/data/cartesian-coordinates.html

http://www.cliffsnotes.com/study_guide/Points-and-Coordinates.topic

http://funbasedlearning.com/algebra/graphing/default.htm