Complex PlaneHigh School · Number & Quantity · HSN-CN.A.1, HSN-CN.A.2, HSN-CN.B.4
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High School · Number & Quantity · Think & learn · Ages 14–18

Complex Plane

Maths standardHSN-CN.A.1HSN-CN.A.2HSN-CN.B.4Know i² = −1, add, subtract and multiply complex numbers, and represent them on the complex plane.

  1. a + bi sits at (a, b) on the complex plane.
  2. Add real parts together and imaginary parts together.
  3. When multiplying, remember i² = −1.
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