Big Ideas Math 8th Grade Chapter 6: Functions 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. Evaluate h(x) = 5x + 1, when x=3.

Question 2 2. Which is an example of an ordered pair?

Question 3 3.

What type of information can a graph show?

A: Functions

B: Data

C: Both functions and data

Question 4 4. What is the domain of √(x)?

Question 5 5. What types of information are shown in tables?

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Question 6 6. What kind of table or graph would be used to show population growth?

Question 7 7. What is the most common graph in algebra?

Question 8 8. The graph of f(x) = 2x -2 includes which of the following points?

Question 9 9. The graph of f(x) = 2x^2 - 7 includes which of the following points?

Question 10 10. The graph of f(x) = -5x + 6 includes which of the following points?

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Question 11 11. Which equation represents a linear function?

Question 12 12. What is a table (in mathematics)?

Question 13 13. Using the function below, evaluate g(7).

Question 14 14. Which graph has a positive x-intercept and a negative y-intercept?

Question 15 15. The graph of f(x) = 4x - 9 includes all of the following points EXCEPT:

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Question 16 16. In the pictured graph of f(x) = x^2 + 6x, for which values of x is the function increasing?

Question 17 17. Which of the following is the graph of a linear function?

Question 18 18. The graph of f(x) = 3x^2 - 12 includes all of the following points EXCEPT:

Question 19 19. The amount of money you spend on coffees every month can be calculated as a function of the number of drinks you order every month. What are the independent and dependent variables in this function?

Question 20 20. Which of the following is written in Function Notation?

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Question 21 21. Which of the following makes an equation a relation rather than a function?

Question 22 22. Which graph below is a function?

Question 23 23. Evaluate f(x) = √(x), when x = 9.

Question 24 24. What are the coordinates of this point?

Question 25 25. In the pictured graph of f(x) = x^2 - 4x, for which values of x is f(x) > 0?

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Question 26 26. If the domain of the function f(x) = x^2 is 0 ≤ x, what is the range of f?

Question 27 27. Which of the following is NOT true regarding the Cartesian plane?

Question 28 28. Which set of ordered pairs is NOT a function?

Question 29 29. What is the special name for the coordinate (0,0)?

Question 30 30. In the pictured graph of f(x) = -2x^2 + 4x - 2, for which values of x is the function decreasing?

Big Ideas Math 8th Grade Chapter 6: Functions 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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