Understanding Matrices & Absolute Value 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!

Page 1

Question 1 1. Solve the equation: |2x-5|=5.

Question 2 2. Getting an absolute value to equal a negative number is _____.

Question 3 3. 'Solve the equation' means to _____.

Question 4 4. Evaluate |4+7|-|4-7|

Question 5 5. Which symbol is used to represent absolute value?

Page 2

Question 6 6. Absolute values make positive numbers _____ and negative numbers _____.

Question 7 7. Which equation matches the graph below?

Question 8 8. Which graph matches the equation below?

Question 9 9. Which graph below could represent an absolute value?

Question 10 10. Find the determinant of the following matrix.

Page 3

Question 11 11. What size is the following matrix?

Question 12 12. Find the determinant of the following matrix.

Question 13 13. Solve the equation: |2x + 5| = 11.

Question 14 14. What is the first step to solving the equation |2x + 1| - 5 = 7?

Question 15 15. Solve the equation: -2|x| = 10.

Page 4

Question 16 16. Which of the following is NOT true regarding matrices?

Question 17 17. Which of the following describes what a matrix looks like?

Question 18 18. What of these symbols is commonly used to enclose a matrix?

Question 19 19. If a question requires us to know the value of y-x, but all we know is that x+2=y, what can we do?

Question 20 20. Evaluate |r+s|-(r+s) when -s = r+8.

Page 5

Question 21 21. If a question requires us to know the value of |2x+y|, but all we know is that |x+y|=5, what can we do?

Question 22 22. A transformation that makes the graph wider or thinner is called a _____.

Question 23 23. Which graph matches the equation below?

Question 24 24. In the equation y = 3|x-4| + 7, what are the coordinates of the vertex?

Question 25 25. Solve the equation: |x+8| = -1.

Page 6

Question 26 26. Absolute values only take into account _____.

Question 27 27. What are the coordinates of the vertex of the graph y = |x - 9| - 2?

Question 28 28. Which of the following would be a square matrix?

Question 29 29. What is the first step to solving the equation |4x - 2| = 5 ?

Question 30 30. Which system of equations is represented by the following matrix? (Think of the vertical line as the equal sign.)

Understanding Matrices & Absolute Value 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!

NY Regents Exam - Integrated Algebra: Test Prep & Practice  /  Math Courses
Support