Grade 8 Mathematics "Presidents' Test"
Directions: Read and answer questions 1 through 10. Use the reference sheet as necessary.
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1. The graph of a system of linear equation is shown. Which ordered pair is the best estimate for the solution of this system of linear equations? (Refer to #1 on the reference sheets.)
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8.EE.8.b
A. (6, 2)
B. (3, 2)
C. (4, 4)
D. (6,8)
2. The graph of a function is shown. For which interval of x is the function decreasing and nonlinear? (Refer to #2 on the reference sheets.)
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8.F.5
A. between 4 and 2
B. between 2 and 0
C. between 0 and 2
D. between 2 and 4
3. What is the value of n in the diagram? (Refer to #3 on the reference sheets.)
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7.G.5
A. 18
B. 24
C. 42
D. 48
4. The scatter plot below shows the number of customers in a restaurant for four hours of the dinner service on two different Saturday nights. The line shown models this relationships, and x=0 represents 7 p.m. What does the value of the yintercept represent? (Refer to #4 on the reference sheets.)
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8.SP.3
A. the average number of customers at 7 p.m.
B. the average number of customers at 11 p.m.
C. the average change in the number of customers each hour
D. the average change in the number of customers during four hours of the dinner service
5. Figure X and figure Y are shown on the coordinate grid. Which statement about figures X and Y must be true? (Refer to #5 on the reference sheet.)
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8.G.2
A. A series of translations will transform figure X to figure Y, and the figures will be congruent.
B. A 180 degree clockwise rotation will transform figure X to figure Y, and the figures will be congruent.
C. A series of translations will transform figure X to figure Y, but the figures will not be congruent.
D. A 180 degree clockwise rotation will transform figure X to figure Y, but the figures will not be congruent.
6. During an experiment, the temperature of a substance increased at a constant rate of three degrees Celsius per hour. Which graph represents this relationship? (Refer to #6 on the reference sheets.)
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8.EE.5
A.
B.
C.
D.
7. Function 1 is defined by the equation y = 3/4x + 1, and function 2 is represented by the graph. Which statement about the functions is true? (Refer to #7 on the reference sheets.)
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8.F.2
A. Function 1 has a greater rate of change and the greater yintercept.
B. Function 2 has the greater rate of change and the greater yintercept.
C. Function 1 has the greater rate of change, and function 2 has the greater yintercept.
D. Function 2 has the greater rate of change, and function 1 has the greater yintercept.
8. Figure L and figure M are shown on the grid. Maria wants to transform figure L to figure M using only rotations, reflections, and translations. Which statement is true? (Refer to #8 on the reference sheets.)
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8.G.2
A. The transformation can be done with a reflection followed by a rotation.
B. The transformation can be done with a reflection followed by a translation.
C. The transformation cannot be done because figure L is not congruent to figure M.
D. The transformation cannot be done because figures L and M are in different quadrants.
9. Which statement explains why the point (2, 2) is the solution to the system of linear equations shown? (Refer to #9 on the reference sheets.)
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8.EE.8.a
A. It lies on the graph of only one of the equations.
B. It lies in the second quadrant of the coordinate plane.
C. It is the only point that satisfies both equations simultaneously.
D. It is one of many points that satisfies both equations simultaneously.
10. A line contains the points (4, 2) and (0, 1). What is the equation of the line?
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8.EE.6
A. y = 2x  6
B. y = 3/4x  1
C. y = 1/4x + 1
D. y = 4/3x  10/3
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