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ACT Prep: Tutoring Solution43 chapters | 384 lessons

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Learning how to understand and solve problems with matrices can be a bit difficult. This assessment has been assembled to help you measure your understanding of how to read matrices, perform operations with matrices and solve problems with the inverse of a matrix.

In this assessment you'll be tested on your skills and understanding of:

- Properties of matrices
- Performing row operations
- Finding properties of inverses of matrices

This assessment allows students to test the following skills:

**Critical thinking**- analyze options to produce an equivalent matrix**Problem solving**- use acquired knowledge to solve matrix and inverse matrix practice problems**Information recall**- access the knowledge you've gained regarding matrices in mathematics

Go into depth about matrices and how to solve problems with them by reviewing the accompanying lesson called, How to Find the Inverse of a 4x4 Matrix. The objective of this lesson is to help you:

- Understand the steps used to solve problems with matrices
- Identify 4x4 matrices
- Complete calculations to check your answers to matrix problems
- Comprehend terms such as identity matrix and dot product

You are viewing lesson
Lesson
7 in chapter 16 of the course:

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ACT Prep: Tutoring Solution43 chapters | 384 lessons

- What is a Matrix? 5:39
- How to Write an Augmented Matrix for a Linear System 4:21
- How to Perform Matrix Row Operations 5:08
- Matrix Notation, Equal Matrices & Math Operations with Matrices 6:52
- How to Solve Inverse Matrices 6:29
- Finding the Inverse of a 3x3 Matrix
- How to Find the Inverse of a 4x4 Matrix 6:20
- How to Solve Linear Systems Using Gauss-Jordan Elimination 5:00
- Inconsistent and Dependent Systems: Using Gaussian Elimination 6:43
- Multiplicative Inverses of Matrices and Matrix Equations 4:31
- How to Take a Determinant of a Matrix 7:02
- Finding the Determinant of a 3x3 Matrix
- How to Find the Determinant of a 4x4 Matrix 5:41
- Solving Systems of Linear Equations in Two Variables Using Determinants 4:54
- Solving Systems of Linear Equations in Three Variables Using Determinants 7:41
- Using Cramer's Rule with Inconsistent and Dependent Systems 4:05
- How to Evaluate Higher-Order Determinants in Algebra 7:59
- Go to ACT Math - Matrices: Tutoring Solution

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