# NMTA Middle Grades Math: Graphing Functions Chapter Exam

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#### Question 1 1. The graph of f(x) = 3x^2 - 12 includes all of the following points EXCEPT:

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Question 2
2.
What is the slope of the line represented by the following formula?

y = 2 + 6(x - 3)

#### Question 3 3. Estimate the coordinates of the midpoint of the line segment below:

#### Question 4 4. The points on either end of a line segment are called _____.

#### Question 5 5. Find the distance between the two points (-4, -2) and (-4, 3).

### Page 2

#### Question 6 6. The graph of f(x) = 4x - 9 includes all of the following points EXCEPT:

#### Question 7 7. Find the slope of this line: 6x + 7y = 21

#### Question 8 8. Find the slope of this line: 4y - x = 0

#### Question 9 9. In the pictured graph of f(x) = -2x^2 + 4x - 2, for which values of x is the function decreasing?

#### Question 10 10. Find the slope of this line: y = -5x + 2

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#### Question 11 11. Which of the following choices is the distance formula?

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Question 12
12.
A parabola that concaves up has *y*-values that go from 8 to 20. What is the minimum of this parabola?

#### Question 13 13. Which of the following is true about the vertex of a parabola?

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Question 14
14.
Find the *y*-intercept of this line: 5*x* - 4*y* = 40

#### Question 15 15. Which equation represents a linear function?

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#### Question 16 16. Find the distance between the two points (4, 1) and (10, 9).

#### Question 17 17. What is the point-slope form of the equation that goes through the origin and has a slope of 1.5?

#### Question 18 18. Find the midpoint of the line segment with endpoints (-3,-1) and (1,6).

#### Question 19 19. Carlos draws a line through the middle of the parabola that divides the parabola into two equal halves. This line is called the _____.

#### Question 20 20. In the pictured graph of f(x) = x^2 + 6x, for which values of x is the function increasing?

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#### Question 21 21. Which of the following shows the graph of the equation below?

#### Question 22 22. Which phrase describes a parabola that looks like an upside down U?

#### Question 23 23. What is the slope of a line passing through (-3, 4) and (2, -2)?

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Question 24
24.
Find the *y*-intercept of this line: 3*x* - 9*y* = -27

#### Question 25 25. Which of the following shows the graph of the equation below?

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#### Question 26 26. What is the equation of the axis of symmetry of the parabola given by the equation y = 6(x + 1)(x - 5)?

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Question 27
27.
Which of the following equations represent(s) a line that goes through the points (2,3) and (1,1)?

I) y = 2(x - 2) + 3

II) y = 2x - 1

III) y = 2(x - 1) + 1

#### Question 28 28. The graph of f(x) = 2x -2 includes which of the following points?

#### Question 29 29. Which of the following is the graph of a linear function?

#### Question 30 30. Which of the following shows the graph of the equation below?

#### NMTA Middle Grades Math: Graphing 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!