Instructional Video
Khan Academy

Khan Academy: Algebra: Complex Numbers: Complex Numbers (Part 2)

9th - 10th Standards
Video shows how to divide complex numbers by using complex conjugates in general terms and then with a specific example. [8:58]
Instructional Video
Khan Academy

Khan Academy: Algebra: Complex Numbers: Complex Numbers (Part 1)

9th - 10th Standards
Video first reviews what imaginary and complex numbers are. Shows example of graphing a complex number. Gives general explanations and formulas for adding, subtracting, multiplying and dividing complex numbers. Includes link to...
Instructional Video
Khan Academy

Khan Academy: Algebra: Complex Numbers: Multiplying Complex Numbers

9th - 10th Standards
Video shows an example of multiplying complex numbers. [5:32]
Instructional Video
Khan Academy

Khan Academy: Algebra: Complex Numbers: Adding Complex Numbers

9th - 10th Standards
Video shows an example of adding complex numbers. Includes link to additional practice problems. [1:11]
Instructional Video
Khan Academy

Khan Academy: Algebra: Complex Numbers: Subtracting Complex Numbers

9th - 10th Standards
Video shows an example of subtracting complex numbers. [1:53]
Instructional Video
Khan Academy

Khan Academy: Algebra: Complex Numbers: Dividing Complex Numbers

9th - 10th Standards
Video shows an example of dividing complex numbers using complex conjugates. [4:58]
Instructional Video
Khan Academy

Khan Academy: Algebra: Complex Numbers 1

9th - 10th Standards
Students learn about complex numbers. The resource examines how to add, subtract, and multiply complex numbers. The video tutorial investigates the mathematics concept through detailed notes and examples.
Instructional Video
Khan Academy

Khan Academy: Complex Numbers: Complex Numbers (Part 1)

9th - 10th Standards
Introduction to complex numbers. Adding, subtracting and multiplying complex numbers.
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Subtract Complex Numbers?

9th - 10th Standards
Watch this tutorial to learn how to subtract complex numbers and see a great example. [3:12]
Instructional Video
Khan Academy

Khan Academy: Complex Numbers: Adding Complex Numbers

9th - 10th Standards
How to add complex numbers.
Instructional Video
Sophia Learning

Sophia: Complex Numbers

9th - 10th Standards
Complex numbers are investigated in this video lesson. The tutorial demonstrates how to add, subtract, and multiply with the imaginary number i.
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Multiply Complex Numbers Using Foil?

9th - 10th Standards
This tutorial takes you through the process of multiplying two complex numbers together using the FOIL method. [2:45]
Instructional Video
PatrickJMT

Patrick Jmt: Complex Numbers: Multiplying and Dividing

9th - 10th Standards
Video tutorial provides examples of how to multiply and divide complex numbers. [7:22]
Instructional Video
PatrickJMT

Patrick Jmt: Complex Numbers: Multiplying Ex 1

9th - 10th Standards
Video provides a couple of examples of multiplying two complex numbers and simplifying. [4:51]
Instructional Video
Khan Academy

Khan Academy: Adding Complex Numbers

10th Standards
Sal adds (5+2i) and (3-7i).
Instructional Video
Sophia Learning

Sophia: Multiplying Complex Numbers: Lesson 3

9th - 10th Standards
This lesson describes how to multiply complex numbers. It is 3 of 6 in the series titled "Multiplying Complex Numbers."
Instructional Video
Sophia Learning

Sophia: Multiplying Complex Numbers: Lesson 4

9th - 10th Standards
This lesson describes how to multiply complex numbers. It is 4 of 6 in the series titled "Multiplying Complex Numbers."
Instructional Video
Sophia Learning

Sophia: Multiplying Complex Numbers: Lesson 5

9th - 10th Standards
This lesson describes how to multiply complex numbers. It is 5 of 6 in the series titled "Multiplying Complex Numbers."
Instructional Video
Sophia Learning

Sophia: Multiplying Complex Numbers: Lesson 6

9th - 10th Standards
This lesson describes how to multiply complex numbers. It is 6 of 6 in the series titled "Multiplying Complex Numbers."
Instructional Video
Sophia Learning

Sophia: Multiplying Complex Numbers: Lesson 2

9th - 10th Standards
This lesson describes how to multiply complex numbers. It is 2 of 6 in the series titled "Multiplying Complex Numbers."
Instructional Video
Sophia Learning

Sophia: Dividing Complex Numbers

9th - 10th Standards
This video lesson demonstrates how to divide with complex numbers, including the imaginary number i. The tutorial includes detailed examples. [3:26]