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Algebra II - Matrices and Determinants: Help and Review 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. Which equation(s) need to be rewritten in this linear system before we can write it in augmented matrix form?

Question 2 2. What of these symbols is commonly used to enclose a matrix?

Question 3 3. What matrix do you divide by when using Cramer's Rule?

Question 4 4. What is the complete list of equations included in this augmented matrix?

Question 5 5. Rewrite the 3rd equation in proper form so that we can turn it into augmented matrix form.

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Question 6 6. When you have an inconsistent or dependent system, what does the coefficient matrix equal to when you use Cramer's Rule?

Question 7 7. Find the determinant of the following matrix.

Question 8 8. Which of the following is NOT true regarding matrices?

Question 9 9. Which of the following would be a square matrix?

Question 10 10. Which system of equations is represented by the following matrix? (Think of the vertical line as the equal sign.)

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Question 11 11. Which of the following describes what a matrix looks like?

Question 12 12. Write in augmented matrix form.

Question 13 13. How many solutions does a dependent system have?

Question 14 14. What size is the following matrix?

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

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Question 16 16. How many solutions does an inconsistent system have?

Question 17 17. How many rows would a matrix that represents a system of 5 variables and 3 equations have?

Question 18 18. If the determinant of a coefficient matrix equals 0, what does it tell you about the linear system?

Question 19 19. Which of the following is an equation included in this matrix?

Question 20 20. Which choice below could be a possible answer to the determinant of a matrix?

Algebra II - Matrices and Determinants: Help and Review 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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