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Complex Plane
Argand Plane

The coordinate plane used to graph complex numbers. The x-axis is called the real axis and the y-axis is called the imaginary axis. The complex number x + yi is graphed as the point (x, y).

 

 


  this page updated 21-feb-16
Mathwords: Terms and Formulas from Algebra I to Calculus
written, illustrated, and webmastered by Bruce Simmons
NCTM Web Bytes December 2004 Web Bytes March 2005 Web Bytes