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1. |
Based on the line plot, how many students scored at least 70? |
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A. |
13 |
B. |
14 |
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C. |
25 |
D. |
12 |
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Hint |
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2. |
 and  are similar. Find b if x = 15, y = 6,
and a = 7.5. |
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A. |
3 |
B. |
6 |
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C. |
12 |
D. |
7.5 |
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Hint |
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3. |
What is the probability of selecting a red or yellow marble from a bag that contains 20 red marbles, 15 yellow marbles, and 35 green marbles? |
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A. |
 |
B. |
1:1 |
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C. |
 |
D. |
 |
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Hint |
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4. |
Which equation is the slope-intercept form of the equation of the line that passes through (1, 2) and is parallel to 4x - 2y = 6? |
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A. |
y = 4x + 3 |
B. |
y = 2x |
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C. |
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D. |
y = -2x + 1 |
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Hint |
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5. |
Which system of equations is graphed below? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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6. |
Factor 14x2 - 28y2 + 56 |
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A. |
14xy(x - 2y + 4) |
B. |
14(x2 - 14y2 + 42) |
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C. |
14(x2 - 2y2 + 4) |
D. |
(2x + 7y + 2)(7x - 4y + 2) |
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Hint |
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7. |
A quadratic function has a maximum point at (1, 4). The roots of the related quadratic equation are -1 and 3. Which is the graph of the function? |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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8. |
The distance between the points with coordinates (3, 7) and (-2, a) is  units. Find the value of a. |
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A. |
-1 or 1 |
B. |
1 or 13 |
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C. |
-1 or -13 |
D. |
-1 or 13 |
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Hint |
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9. |
Find the value of b that makes x2 + bx + 36 a perfect square. |
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A. |
-12, 12 |
B. |
6 |
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C. |
12 |
D. |
324 |
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Hint |
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10. |
Use the graph below to determine if the given system of equations has one solution, no solution, or infinitely many solutions. If the system has one solution, name it.
 |
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A. |
one solution at (-6, 0) |
B. |
no solution |
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C. |
one solution at  |
D. |
infinitely many solutions |
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Hint |
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11. |
Rico took a survey to find out the number of family members in each of his classmates' households. The results of the survey are shown in the graph. How many more students said they have 2 family members in their household than 6? |
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A. |
10 |
B. |
15 |
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C. |
20 |
D. |
5 |
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Hint |
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12. |
Evaluate m2  if m =  . |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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13. |
A bag contains 7 purple marbles, 5 yellow marbles, 3 white marbles, and 1 black marble. What is the probability of randomly selecting a marble that is not purple? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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14. |
Xenxang drove 60 miles to visit his daughter. On the way to his daughter's house the trip took 1 hour and 15 minutes. On the way back from his daughter's house the trip took 1 hour and 30 minutes. Rounded to the nearest mile per hour, what was Xenxang's average speed for the round trip? |
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A. |
48 miles per hour |
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B. |
46 miles per hour |
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C. |
40 miles per hour |
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D. |
44 miles per hour |
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Hint |
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15. |
Solve –6x – 12 > -18. |
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A. |
x < 5 |
B. |
x < 1 |
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C. |
x > 5 |
D. |
x > 1 |
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Hint |
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16. |
Solve the system of equations given by y = 2x + 2 and  . |
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A. |
(4, -6) |
B. |
infinitely many solutions |
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C. |
no solution |
D. |
(-3, -4) |
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Hint |
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17. |
Which of the following is a difference of two squares? |
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A. |
x2 – 9 |
B. |
x2 – 8x – 16 |
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C. |
x2 + 36 |
D. |
x2 + 6x + 9 |
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Hint |
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18. |
Determine whether the sequence 7, 21, 35, 49 is geometric. If so, find its common ratio. |
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A. |
not geometric |
B. |
geometric, r = 7 |
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C. |
geometric, r = 3 |
D. |
geometric, r = 14 |
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Hint |
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19. |
What is the perimeter of a rectangle whose length is  and whose width is  |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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20. |
Using the figure, which expression is equal to cos 38°? |
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A. |
sin 52° |
B. |
tan 52° |
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C. |
sin 38° |
D. |
tan 38° |
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Hint |
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