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1. |
Solve the equation  |
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A. |
4 |
B. |
 |
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C. |
 |
D. |
-4 |
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Hint |
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2. |
If the number 178,651 is rounded to 179,000 and plotted on a stem-and-leaf plot as 17|9, how would you display 151,205? |
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A. |
1|51 |
B. |
15|1 |
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C. |
151|2 |
D. |
15|2 |
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Hint |
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3. |
A scale drawing of a room has a scale of 1.75 inches = 1.5 feet. How long is a couch that is 7 inches in the scale drawing? |
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A. |
6 ft |
B. |
5 ft |
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C. |
8 ft |
D. |
7 ft |
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Hint |
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4. |
What is the final price of a $152 item after 6% tax is added? |
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A. |
$9.12 |
B. |
$243.20 |
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C. |
$142.88 |
D. |
$161.12 |
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Hint |
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5. |
What are the odds of not selecting a black ace from a standard deck of 52 cards? |
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A. |
25:1 |
B. |
1:25 |
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C. |
25:26 |
D. |
26:1 |
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Hint |
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6. |
If h(z) = 2z2 - 5z + 7, find h(3c). |
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A. |
9c2 - 15c + 7 |
B. |
18c2 - 15c + 7 |
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C. |
18c2 - 3c + 7 |
D. |
c + 7 |
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Hint |
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7. |
Factor xy – 6 + 2y – 3x. |
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A. |
(x – 2)(y – 3) |
B. |
(x + 2)(y – 3) |
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C. |
(xy – 3x) + (2y – 6) |
D. |
x(y – 3) + 2(y – 3) |
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Hint |
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8. |
Which is the graph of y = 2.5x? |
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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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9. |
A bag contains 10 blue marbles, 7 white marbles, 6 red marbles, and 2 green marbles. What is the probability of randomly selecting a blue marble? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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10. |
A chemistry experiment calls for a 25% solution of copper sulfate. Juanita has 20 milliliters of 15% solution. How many milliliters of 35% solution should she add to obtain the required 25% solution? |
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A. |
20 milliliters |
B. |
15 milliliters |
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C. |
17 milliliters |
D. |
23 milliliters |
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Hint |
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11. |
At a bulk store, lollipops cost $1.95 per pound and jawbreakers cost $1.25 per pound. How many pounds of lollipops should be added to 4 pounds of jawbreakers to make a mixture that costs $1.45 per pound? |
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A. |
1.6 pounds |
B. |
2 pounds |
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C. |
1.8 pounds |
D. |
1.5 pounds |
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Hint |
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12. |
Identify the transformation. |
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A. |
Translation |
B. |
Rotation |
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C. |
Dilation |
D. |
Reflection |
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Hint |
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13. |
Write an equation for the nth term of –6, -14.5, -23, -31.5, …. |
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A. |
 = -6n |
B. |
= -8.5n – 7 |
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C. |
= -8.5n + 2.5 |
D. |
= -14.5n + 8.5 |
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Hint |
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14. |
Suppose y varies directly as x, and y = -319 when x = 29. Write a direct variation equation that relates x and y. |
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A. |
 |
B. |
y = 11x |
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C. |
y = -11x |
D. |
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Hint |
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15. |
Solve –15k > -120. |
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A. |
k < -8 |
B. |
k > -8 |
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C. |
k < 8 |
D. |
k > 8 |
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Hint |
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16. |
To ensure healthy food, every tenth item is checked. What kind of sample is this? |
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A. |
unbiased, systematic random sample |
B. |
biased, convenience sample |
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C. |
unbiased, stratified random sample |
D. |
unbiased, simple random sample |
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Hint |
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17. |
Find the area of a triangle with base 2x + 3 and height 3x – 1. |
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A. |
 x2 +  x – 3 |
B. |
6x2 + 7x – 3 |
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C. |
5x2 + 7x – 3 |
D. |
3x2 + x  |
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Hint |
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18. |
Suppose that the sixth term of a geometric sequence is 1215, and the first term is 5. What is the second term? |
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A. |
9 |
B. |
15 |
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C. |
8 |
D. |
12.5 |
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Hint |
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19. |
Find the result of |
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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. |
Find  . |
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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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