Determinants in Linear Algebra Lesson Plans Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. Find the determinant of the following matrix.

Question 2 2.

Find the y solution of this system using Cramer's rule.

2x + 2y = 10

3x - 2y = 0

Question 3 3. How many determinants do you need to find in order to solve a linear system in three variables using Cramer's rule?

Question 4 4. Which choice below could be a possible answer to the determinant of a matrix?

Question 5 5. What is the determinant of the minor matrix related to the number 2 in the top row?

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Question 6 6.

Find the x solution of this system using Cramer's rule.

2x + 2y = 10

3x - 2y = 0

Question 7 7. Use Cramer's rule to find the z solution to this linear system.

Question 8 8.

In this system of equations, which numbers are your constant numbers?

x + 3y - 2z = 18

2x - y - z = -7

4x - 2y + z = -8

Question 9 9. What size is the following matrix?

Question 10 10. To find D sub y, which column of the coefficient matrix would you replace with the constant numbers?

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Question 11 11. Which of the following is the correct formula for finding the determinant of this matrix?

Question 12 12. Find the determinant.

Question 13 13. What is the determinant of the coefficient matrix for this linear system?

Question 14 14. Which of the following would be a square matrix?

Question 15 15. Find the determinant of the following matrix.

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Question 16 16.

What is the determinant of the coefficient matrix of this linear system?

2x + 2y = 10

3x - 2y = 0

Question 17 17. Which column do you replace in the coefficient matrix if you want to solve for the y solution?

Question 18 18. Find the determinant.

Question 19 19. What is the determinant?

Question 20 20. For a linear system with two variables, how many determinants do we need to find to find the complete solution using Cramer's rule?

Determinants in Linear Algebra Lesson Plans Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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