• #### Introduction to Imaginary Numbers - Concept

##### Math›Algebra 2›Roots and Radicals
How to define an imaginary number.
• #### Introduction to Imaginary Numbers - Problem 1

##### Math›Algebra 2›Roots and Radicals
How to simplify a radical using imaginary numbers.
• #### Introduction to Imaginary Numbers - Problem 2

##### Math›Algebra 2›Roots and Radicals
How to define a complex number.
• #### Introduction to Imaginary Numbers - Problem 5

##### Math›Algebra 2›Roots and Radicals
Introduction to imaginary numbers.
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• #### Introduction to Imaginary Numbers - Problem 6

##### Math›Algebra 2›Roots and Radicals
Introduction to complex numbers.
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• #### Introduction to Imaginary Numbers - Problem 3

##### Math›Algebra 2›Roots and Radicals
How to describe the absolute value of a complex number.
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• #### Introduction to Imaginary Numbers - Problem 4

##### Math›Algebra 2›Roots and Radicals
How to graph in the complex plane.
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• #### Multiplying Complex Numbers - Concept

##### Math›Algebra 2›Roots and Radicals
How to multiply imaginary numbers.
• #### Multiplying Complex Numbers - Problem 1

##### Math›Algebra 2›Roots and Radicals
How to multiply an imaginary number by a complex number.
• #### Dividing Complex Numbers - Concept

##### Math›Algebra 2›Roots and Radicals
How to rationalize the denominator when dealing with an imaginary number.
• #### Dividing Complex Numbers - Problem 1

##### Math›Algebra 2›Roots and Radicals
How to rationalize the denominator when dealing with an imaginary number.
• #### Dividing Complex Numbers - Problem 5

##### Math›Algebra 2›Roots and Radicals
Dividing complex numbers where the denominator contains an imaginary number.
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• #### The Complex Plane - Concept

##### Math›Precalculus›Polar Coordinates and Complex Numbers
How to plot complex numbers on the complex plane.
• #### Dividing Complex Numbers - Problem 7

##### Math›Algebra 2›Roots and Radicals
Rationalizing denominators where there is a root of a negative number, meaning we'll likely have an imaginary result.
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• #### Multiplying Complex Numbers - Problem 3

##### Math›Algebra 2›Roots and Radicals
How to multiply imaginary monomials.
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• #### Dividing Complex Numbers - Problem 3

##### Math›Algebra 2›Roots and Radicals
How to divide by an imaginary monomial.
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• #### Using the Conjugate Zeros Theorem - Concept

##### Math›Precalculus›Polynomial and Rational Functions
How we find the zeros of a polynomial function when one imaginary zero is known.
• #### Using the Conjugate Zeros Theorem - Problem 1

##### Math›Precalculus›Polynomial and Rational Functions
How we find the zeros of a quartic (4th degree polynomial) function when one imaginary zero is known.
• #### Using the Conjugate Zeros Theorem - Problem 2

##### Math›Precalculus›Polynomial and Rational Functions
How we find the zeros of a quartic (4th degree polynomial) function when one imaginary zero is known.
• #### Using the Conjugate Zeros Theorem - Problem 3

##### Math›Precalculus›Polynomial and Rational Functions
How we find the zeros of a quintic (5th degree polynomial) function when two imaginary zeros are known.