# How to Find the Determinant of a 4x4 Matrix

Instructions:

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question 1 of 3

### What form does the determinant of a square matrix take if there are no variables in the matrix?

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### 2. Which row or column will lead to the fewest calculations when finding the determinant of a 4x4 matrix?

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Solving for a determinant is a very useful skill to have, particularly if you can do it without the aid of a calculator. This quiz and worksheet will allow you to practice this skill by testing your knowledge of how to use a 4x4 matrix.

## Quiz & Worksheet Goals

These assessments will quiz you on the following:

• The form of a square matrix determinant if the matrix lacks variables
• What sign is associated with the second column, second row of a 4x4 matrix
• What column in a 4x4 matrix will lead to the least calculations
• The fastest method of finding the determinant of a 4x4 matrix
• Deciding whether a determinant makes sense

## Skills Practiced

This quiz and worksheet use the following skills:

• Reading comprehension - ensure that you draw the most important information from the related lesson on finding the determinant of a 4x4 matrix
• Problem solving - use acquired knowledge to solve practice problems using 4x4 matrices
• Knowledge application - use your knowledge to check your understanding of the best ways to find a determinant using a 4x4 matrix