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Home  /  Big Ideas Math Precalculus (2024 edition)  /  Chapter 2 · Polynomial and Rational Functions
Section 2.4

Complex Numbers

Imaginary unit, complex arithmetic, complex conjugates.

4 lessons. Pick what you need.

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Chapter 2 · Polynomial and Rational Functions
2.1 2.2 2.3 2.4 2.5 2.6 2.7
Lesson

Lesson on the Basics of Imaginary Numbers and Square Roots of Negative Numbers

Guided Notes Guided Notes (Word Version)
Lesson

Lesson on Operations with Imaginary Numbers and Complex Numbers

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Lesson

Lesson on Evaluating Higher Powers of i

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Lesson

Lesson Reviewing Imaginary Numbers (for precalc and trig students)

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