Introduction

You can represent complex numbers on an Argand diagram. The x-axis on an Argand diagram is called the real axis and the y-axis is called the imaginary axis.

The complex number z = x + iy is represented on the diagram by the point P(x, y), where x and y are Cartesian coordinates

Argand Diagrams

Examples

Argand Diagrams

Vectors

Complex numbers can be represented as vectors on the Argand diagram

Argand Diagrams

You can add or subtract complex numbers on an Argand diagram by adding or subtracting their corresponding vectors

Argand Diagrams

Argand Diagrams

Argand Diagrams