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Precalculus Foundations: Numbers, Operations, Exponents, Radicals, and Polynomials
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The Imaginary Unit
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05:02
Square Roots of Negative Numbers
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Powers of i
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04:10
Powers of i
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05:10
Higher Powers of i
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Complex Numbers
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03:31
Introduction to Complex Numbers
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04:22
Dividing Complex Numbers
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05:33
Complex Conjugates
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Intro to Quadratic Equations
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05:35
Introduction to Quadratic Equations
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06:08
Solving Quadratic Equations by Factoring
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The Square Root Property
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06:12
Solving Quadratic Equations by the Square Root Property
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02:20
Imaginary Roots with the Square Root Property
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Completing the Square
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06:24
Solving Quadratic Equations by Completing the Square
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The Quadratic Formula
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04:11
The Discriminant
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06:36
Solving Quadratic Equations Using The Quadratic Formula
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Choosing a Method to Solve Quadratics
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04:03
Choosing a Method to Solve Quadratics
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Understanding Polynomial Functions
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06:04
Introduction to Polynomial Functions
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03:42
Finding Zeros & Their Multiplicity
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06:08
End Behavior of Polynomial Functions
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Graphing Polynomial Functions
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05:25
Graphing Polynomial Functions
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05:01
Identifying Intervals of Unknown Behavior
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09:43
Example 1
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