Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Cartesian Coordinate Plane
Find a quick, concise explanation of the Cartesian Coordinate Plane. Examples are given and various aspects of plotting points and graphing are described.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Graphing Equations
Through this tutorial, you will learn how to solve equations by graphing them on a coordinate plane. Contains several examples with step-by-step solutions and practice exercises for you to complete and check.
Khan Academy
Khan Academy: Plot Numbers on the Complex Plane
Given a complex number, plot its corresponding point on the complex plane. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.