20 Videos for "imaginary number"

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. 
Introduction to Imaginary Numbers  Problem 6
Math › Algebra 2 › Roots and Radicals
Introduction to complex numbers. 
Introduction to Imaginary Numbers  Problem 3
Math › Algebra 2 › Roots and Radicals
How to describe the absolute value of a complex number. 
Introduction to Imaginary Numbers  Problem 4
Math › Algebra 2 › Roots and Radicals
How to graph in the complex plane. 
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. 
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. 
Multiplying Complex Numbers  Problem 3
Math › Algebra 2 › Roots and Radicals
How to multiply imaginary monomials. 
Dividing Complex Numbers  Problem 3
Math › Algebra 2 › Roots and Radicals
How to divide by an imaginary monomial. 
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.