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Unit 6 of 18
Complex Numbers
Extending the number system again.
Every topic follows the curriculum standard
Learn→See→Try→Explain→Verify→Challenge→Transfer→Master
Topics in this unit
5 topics. Each card opens a full topic workspace and supports all eight learning actions.
Imaginary Unit
i defined
Complex Number Operations
Arithmetic in a + bi
Complex Solutions of Quadratics
When the discriminant is negative
Complex Plane
Geometry of numbers
Three-pathway connections
Study this unit at three depths — current-grade mastery, advanced thinking, and competition mathematics.