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1. |
Simplify 3(2a + b) + 6(a - 2b). |
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A. |
12a + 15b |
B. |
12a + b |
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C. |
12a + 9b |
D. |
12a - 9b |
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Hint |
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2. |
Use Cramer's rule to solve the system of equations. 
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A. |
(0.4, 0.2) |
B. |
(-0.4, -0.2) |
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C. |
(0.2, 0.4) |
D. |
(0.011, 0.0055) |
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Hint |
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3. |
Find the area of the parallelogram. |
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A. |
(36a2 + 49b2) cm2 |
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B. |
(12a2 + 14b2) cm2 |
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C. |
(36a2 - 49b2) cm2 |
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D. |
(36a2 - 84ab - 49b2) cm2 |
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Hint |
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4. |
Find the mean of {3, 8, 10, 1, 25}. |
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A. |
8 |
B. |
1 |
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C. |
9.4 |
D. |
9 |
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Hint |
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5. |
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. |
 |
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C. |
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D. |
1:1 |
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Hint |
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6. |
Students from the local high school are selling tickets to the town's annual carnival. Adult admission is $5.00 and child admission is $2.50. Two hours after the carnival opened its first day, 440 tickets had been sold totaling $1900. How many adults and how many children entered the carnival during the first two hours it was open? |
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A. |
293 adults, 147 children |
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B. |
320 adults, 120 children |
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C. |
380 adults, 760 children |
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D. |
220 adults, 220 children |
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Hint |
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7. |
Simplify  . Assume the denominator is not equal to zero. |
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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. |
Factor 14x2 - 28y2 + 56 |
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A. |
14(x2 - 2y2 + 4) |
B. |
14(x2 - 14y2 + 42) |
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C. |
(2x + 7y + 2)(7x - 4y + 2) |
D. |
14xy(x - 2y + 4) |
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Hint |
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9. |
Which figure has a point of symmetry? |
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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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10. |
The intersection of two planes could be a ______. |
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A. |
segment |
B. |
line |
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C. |
point |
D. |
plane |
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Hint |
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11. |
How many other triangles in the figure appear to be congruent to  ABC? |
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A. |
8 |
B. |
3 |
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C. |
4 |
D. |
7 |
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Hint |
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12. |
Find the surface area of the cone. (Round to the nearest tenth.) |
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A. |
65.4 sq. units |
B. |
48.2 sq. units |
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C. |
44.1 sq. units |
D. |
55.7 sq. units |
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Hint |
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13. |
Solve 42 + w = -27. |
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A. |
w = 15 |
B. |
w = -15 |
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C. |
w = -69 |
D. |
w = 69 |
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Hint |
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14. |
A hockey team has red sweaters, white sweaters, and blue sweaters. The team uses red or blue pants and red or white socks. Find the number of possible uniforms. |
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A. |
10 |
B. |
7 |
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C. |
5 |
D. |
12 |
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Hint |
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15. |
How many different ways can a coach make a team of 18 players from a tryout of 20 people? |
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A. |
190 |
B. |
380 |
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C. |
6,840 |
D. |
3,420 |
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Hint |
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16. |
Using the box-and-whisker plot, what is the median of Exam B? |
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A. |
90 |
B. |
83 |
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C. |
60 |
D. |
75 |
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Hint |
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17. |
What is the order of rotational symmetry for the figure shown? |
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A. |
3 |
B. |
6 |
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C. |
0 |
D. |
4 |
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Hint |
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18. |
Maria's age multiplied by 3, decreased by 17 and then doubled is 68. How old is Maria? |
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A. |
17 |
B. |
14 |
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C. |
15 |
D. |
22 |
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Hint |
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19. |
How many cube faces are exposed in the figure? |
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A. |
32 |
B. |
42 |
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C. |
34 |
D. |
28 |
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Hint |
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20. |
Which view shows the orthogonal view of the object from the front? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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