Study Pug
Study Pug: Complex Numbers and Complex Planes
Watch this video to learn what makes up a complex number, as well as how to plot on a complex plane. [5:45]
Khan Academy
Khan Academy: Absolute Value of Complex Numbers
Sal finds the absolute value of (3-4i).
Khan Academy
Khan Academy: Absolute Value Inequalities Word Problem
Sal solves a word problem about a carpenter by writing an appropriate absolute value inequality and solving it.
Khan Academy
Khan Academy: Absolute Value and Number Lines
One easy way to think of absolute value is the distance it is from zero. To do that, a number line comes in handy. Watch and learn.
Khan Academy
Khan Academy: Absolute Value & Angle of Complex Numbers
Sal finds the modulus (which is the absolute value) and the argument (which is the angle) of a complex number
Khan Academy
Khan Academy: Adding Complex Numbers
Video describing how to add and subtract complex numbers with examples.
Khan Academy
Khan Academy: Complex Numbers Basic Example
The video lesson from Khan Academy provides practice questions for the SAT. Watch Sal work through a basic Complex numbers problem.
Khan Academy
Khan Academy: Challenging Complex Numbers Problem (3 of 3)
This video lesson provides a challenging math problem that incorporates complex numbers. The question was taken from the Indian Institutes of Technology-Joint Entrance Examination (IIT-JEE).
Khan Academy
Khan Academy: Challenging Complex Numbers Problem (2 of 3)
This video lesson provides a challenging math problem that incorporates complex numbers. The question was taken from the Indian Institutes of Technology-Joint Entrance Examination (IIT-JEE).
Khan Academy
Khan Academy: Complex Numbers Harder Example
The video lesson from Khan Academy provides practice questions for the SAT. Watch Sal work through a harder complex numbers problem.
Khan Academy
Khan Academy: Challenging Complex Numbers Problem (1 of 3)
This video lesson provides a challenging math problem that incorporates complex numbers. The question was taken from the Indian Institutes of Technology-Joint Entrance Examination (IIT-JEE).
Khan Academy
Khan Academy: Precalculus: Imaginary and Complex Numbers: Basic Complex Analysis
This Khan Academy video lesson provides a concrete way to help students represent and visualize complex numbers. An Argand Diagram, magnitude, modulus, argument, and exponential forms are utilized in the lesson.
Sophia Learning
Sophia: Multiplying Complex Numbers: Lesson 3
This lesson describes how to multiply complex numbers. It is 3 of 6 in the series titled "Multiplying Complex Numbers."
Sophia Learning
Sophia: Multiplying Complex Numbers: Lesson 4
This lesson describes how to multiply complex numbers. It is 4 of 6 in the series titled "Multiplying Complex Numbers."
Sophia Learning
Sophia: Multiplying Complex Numbers: Lesson 5
This lesson describes how to multiply complex numbers. It is 5 of 6 in the series titled "Multiplying Complex Numbers."
Sophia Learning
Sophia: Multiplying Complex Numbers: Lesson 6
This lesson describes how to multiply complex numbers. It is 6 of 6 in the series titled "Multiplying Complex Numbers."
Sophia Learning
Sophia: Multiplying Complex Numbers: Lesson 2
This lesson describes how to multiply complex numbers. It is 2 of 6 in the series titled "Multiplying Complex Numbers."
Sophia Learning
Sophia: Dividing Complex Numbers
This video lesson demonstrates how to divide with complex numbers, including the imaginary number i. The tutorial includes detailed examples. [3:26]