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Home  /  College Algebra (13e)  /  Chapter 1 · Equations and Inequalities
Section 1.3

Complex Numbers

Imaginary unit i, complex numbers a+bi, addition, subtraction, multiplication, division, and powers of i.

4 lessons. Pick what you need.

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Chapter 1 · Equations and Inequalities
1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8
Lesson

Lesson Reviewing Imaginary Numbers (for precalc and trig students)

Guided Notes Guided Notes (Word Version)
Lesson

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

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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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