SME
Grade 11 Math

Complex numbers and quadratic equations with complex solutions

The main lesson, then each kind of problem it solves.

Complex numbers and quadratic equations with complex solutions

Main lesson
Add or subtract complex numbers
Use this for “(4 − 2i) − (−1 + 5i)”.
Complex solutions of a quadratic
Use this for “Solve x² − 4x + 13 = 0.”
Powers of i
Use this for “Simplify i²⁷.”
Divide complex numbers
Use this for “Divide (3 + 4i) ÷ (1 + 2i).”
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