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Ch 9: AEPA Math: Matrix Operations & Determinants

About This Chapter

Refresh your knowledge of matrices with our brief and easy-to-follow video lessons. This chapter can help prepare you for many of the matrix-related problems you'll see on the AEPA Math test.

AEPA Math: Matrix Operations & Determinants - Chapter Summary

If you need to bolster your skills with matrices, look no further. We explore numerous matrix-related tips and tricks in this chapter, such as:

  • Standard matrix notation
  • Common math operations with matrices
  • Solving inverse matrices
  • Performing matrix row operations
  • Matrix equations and multiplicative inverses of matrices

The short, engaging video lessons in this chapter are only 5-10 minutes in length, and they're chock-full of step-by-step techniques for effectively approaching common matrix-related problems. Each lesson concludes with a short quiz so you can make sure you know the material. And, any time you're still not clear on a problem set or example, you can always reach out directly to our world-class instructors.

6 Lessons in Chapter 9: AEPA Math: Matrix Operations & 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.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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Other Chapters

Other chapters within the AEPA Mathematics (NT304): Practice & Study Guide course

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