Ch 19: TExMaT Master Mathematics Teacher 8-12: Complex Numbers

About This Chapter

If you don't recall as much about complex numbers as you'd like, use the video lessons in this chapter as handy review resources. Apply your refreshed knowledge when you take the TExMaT Master Mathematics 8-12 examination.

TExMaT Master Mathematics 8-12: Complex Numbers - Chapter Summary

The online videos in this chapter are designed to remind you of how to write complex numbers and help you distinguish between real and imaginary numbers. The lessons include examples and practice opportunities. Watch the videos and re-discover how to solve equations with complex numbers or use De Moivre's formula to find their power. This chapter might also assist you with:

  • Explaining the origins of imaginary numbers and using them when solving equations
  • Understanding the formulas for adding, subtracting, multiplying and dividing complex numbers
  • Graphing complex numbers
  • Converting complex numbers to polar form

Review these topics and heighten your chances of doing well when answering questions about complex numbers on the TExMaT Master Mathematics 8-12 examination. You'll be guided through the informational video lessons by seasoned instructors. Study interactively whenever it's convenient. You may use the video tags to navigate the lessons or refer to the written transcripts. Short, multiple-choice quizzes are included.

TExMaT Master Mathematics 8-12: Complex Numbers Objectives

Establish your understanding of complex numbers during the first section of the six-part TExMaT Master Mathematics 8-12 examination. The 'Number Concepts' section is worth 16% of the overall test score. Display your expertise with complex numbers operations and properties as you work toward becoming a certified Master Mathematics Teacher (MMT). You'll be expected to answer 90 multiple-choice questions and to complete one case study assignment within five hours. The examination is paper based.

5 Lessons in Chapter 19: TExMaT Master Mathematics Teacher 8-12: Complex Numbers
Test your knowledge with a 30-question chapter practice test
What is an Imaginary Number?

1. What is an Imaginary Number?

The imaginary number 'i' is the square root of -1. Although this number doesn't actually exist, pretending that it does allows us to do a bunch of crazy math that scientists use every day. Learn the basics of that number 'i' here!

How to Divide Complex Numbers

2. How to Divide Complex Numbers

While adding, subtracting and multiplying complex numbers is pretty straightforward, dividing them can be pretty tricky. It comes down to the process of multiplying by the complex conjugate. Learn about what that is, and how to do it, here.

How to Add, Subtract and Multiply Complex Numbers

3. How to Add, Subtract and Multiply Complex Numbers

Knowing that complex numbers exist is the first step. But that knowledge alone won't help you do much with them. Learn the basics of complex number addition, subtraction and multiplication here!

How to Graph a Complex Number on the Complex Plane

4. How to Graph a Complex Number on the Complex Plane

Graphing complex numbers is pretty straight forward, but it's not necessarily intuitive. Check out this lesson to learn the vocabulary and the conventions that you'll need.

Complex Numbers in Polar Form: Process & Examples

5. Complex Numbers in Polar Form: Process & Examples

After watching this video lesson, you will be able to convert complex numbers from rectangular form to polar form easily by following the formulas you will see here. You will also learn how to find the power of a complex number.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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Other Chapters

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