Copyright

Cofactor: Definition & Formula Video

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

What is the first step towards calculating the cofactor of an element?

Create Your Account To Take This Quiz

As a member, you'll also get unlimited access to over 79,000 lessons in math, English, science, history, and more. Plus, get practice tests, quizzes, and personalized coaching to help you succeed.

Try it risk-free
Try it risk-free for 30 days. Cancel anytime
Already registered? Log in here for access

1. How are signs assigned to the cofactor of an element?

2.

When calculating the cofactor of 3 from the given matrix, which new matrix would be used to calculate the determinant?

1 7 3
2 5 9
8 4 0

Create your account to access this entire worksheet
A Premium account gives you access to all lesson, practice exams, quizzes & worksheets
Access to all video lessons
Quizzes, practice exams & worksheets
Certificate of Completion
Access to instructors
Create an account to get started Create Account

About This Quiz & Worksheet

Use this quiz to make sure you know how to calculate a cofactor. Questions will ask you to pick the correct answer and to solve problems involving cofactors.

Quiz & Worksheet Goals

Demonstrate your knowledge of:

  • The steps for calculating a cofactor
  • Signs assigned to a cofactor
  • Using a matrix to solve cofactor problems

Skills Practiced

You will also strengthen these abilities:

  • Reading comprehension - ensure that you draw the most important information from the related lesson on cofactors
  • Problem solving - use acquired knowledge to solve practice problems that involve calculating cofactors
  • Knowledge application - use your knowledge to answer questions about calculating the determinant

Additional Learning

Learn as much as possible about cofactors by studying the lesson entitled Cofactor: Definition & Function. Some of the information covered by this lesson includes:

  • The role of a matrix in cofactor calculations
  • How to find the cofactor of a matrix
  • Uses for the cofactor of a matrix and the function of transposing
Support