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Vectors, Matrices & Determinants in Trigonometry: 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 of the following is NOT true regarding matrices?

Question 2 2. Which of the following is the inverse of this matrix?

Question 3 3. Find the determinant of the following matrix.

Question 4 4. What size is the following matrix?

Question 5 5. Find the determinant of the following matrix.

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Question 6 6. If the inverse of matrix A is this, what is the solution when the constants are 10 and 13?

Question 7 7. Which choice below could be a possible answer to the determinant of a matrix?

Question 8 8. Which of the following would be a square matrix?

Question 9 9. For the problem Mx = h where M is a matrix, x is the variable matrix, and h is the answer or constants matrix, how would you solve the problem if you were given the inverse of matrix M?

Question 10 10. Which of these statements is not true?

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Question 11 11. Which system of equations is represented by the following matrix? (Think of the vertical line as the equal sign.)

Question 12 12. Which of the following describes what a matrix looks like?

Question 13 13. Which matrix will you get when you multiply a matrix with its inverse?

Question 14 14. What of these symbols is commonly used to enclose a matrix?

Question 15 15. How many rows would a matrix that represents a system of 5 variables and 3 equations have?

Vectors, Matrices & Determinants in Trigonometry: 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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