Ch 8: TExMaT Master Mathematics Teacher 8-12: Matrices & Determinants

About This Chapter

Take another look at matrix row operations to prepare for the TExMaT Master Mathematics Teacher 8-12 exam. This chapter's video lessons and quizzes cover the steps involved in performing arithmetic operations with matrices and taking their determinants.

TExMaT Master Mathematics Teacher 8-12: Matrices & Determinants - Chapter Summary

Review the matrix row operations needed to successfully answer questions on the TExMaT Master Mathematics Teacher certification exam for grades 8-12. Video lessons and quizzes cover the following topics:

  • Matrix notation and row operations
  • Addition and subtraction with matrices
  • Matrix multiplication
  • The multiplicative inverse of a matrix
  • The determinant of a matrix
  • Identity matrices

Fit some study time into your busy schedule with self-paced lessons that make it easy to start, stop or resume instructional videos covering the topics you want to review. This chapter also includes multiple-choice quizzes useful for tracking your course progress.

TExMaT Master Mathematics Teacher 8-12: Matrices & Determinants Chapter Objectives

If you're attempting to earn the Master Mathematics Teacher certification offered to Texas's experienced 8th-12th grade math teachers, use this chapter to prepare for your TExMaT exam.

Video lessons and quizzes can get you ready for questions in the patterns and algebra content domain, such as those asking you to use matrix algebra to solve a system of linear equations. You can also use a knowledge of matrix row operations to answer number concepts questions requiring you to compare matrix properties with those of real numbers.

Altogether, the TExMaT Master Mathematics Teacher 8-12 exam consists of 90 multiple-choice questions and a case study assignment. Patterns and algebra questions make up around 18% of the exam, while number concepts questions comprise approximately 16% of test content.

6 Lessons in Chapter 8: TExMaT Master Mathematics Teacher 8-12: Matrices & Determinants
Test your knowledge with a 30-question chapter practice test
What is a Matrix?

1. What is a Matrix?

As math gets more and more complicated and there become more and more numbers flying around, it becomes really handy to put all these numbers in a nice organized grid... hello matrices! Learn about what they are and why there are used.

How to Perform Matrix Row Operations

2. How to Perform Matrix Row Operations

Watch this video lesson to learn how easy it is to perform row operations on a matrix. Learn how to perform the three basic operations easily and quickly.

Matrix Notation, Equal Matrices & Math Operations with Matrices

3. Matrix Notation, Equal Matrices & Math Operations with Matrices

Watch this video lesson to learn about the basics of matrices and what kinds of math operations you can do with them. Also learn how to determine whether two matrices are the same or not.

Multiplicative Inverses of Matrices and Matrix Equations

4. Multiplicative Inverses of Matrices and Matrix Equations

Watch this video lesson to learn about another method you can use to solve a matrix problem if you are given the inverse of the matrix. You will also learn the identifying mark of the multiplicative inverse of a matrix.

How to Solve Inverse Matrices

5. How to Solve Inverse Matrices

Watch this video lesson to learn what kinds of matrix operations you can take to find the inverse of a matrix. Also learn why matrix inverses are useful.

How to Take a Determinant of a Matrix

6. How to Take a Determinant of a Matrix

Matrices are incredibly powerful and can help you do all sorts of things, but one of the most basic (and surprisingly helpful) operations you can perform on one is to take its determinant. Learn how to do that here!

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

Earning College Credit

Did you know… We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.

To learn more, visit our Earning Credit Page

Transferring credit to the school of your choice

Not sure what college you want to attend yet? Study.com has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.

Other Chapters

Other chapters within the TExMaT Master Mathematics Teacher 8-12 (089): Practice & Study Guide course

Support