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1. |
Find sin X. |
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 |
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A. |
0.75 |
B. |
0.8 |
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C. |
0.6 |
D. |
8 |
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Hint |
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2. |
Determine the slope of the line that passes through (2, 2) and (5, 8). |
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A. |
 |
B. |
-2 |
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C. |
2 |
D. |
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Hint |
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3. |
Write the point-slope form of an equation of the line that passes through (4, -3) and (2, 1). |
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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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4. |
Solve   |
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A. |
{x | x < 6} |
B. |
{x | x < -12} |
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C. |
{x | x > -12} |
D. |
 |
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Hint |
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5. |
Factor 7xy2 - 28x3 |
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A. |
(7xy + x)(y – 28x2) |
B. |
prime |
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C. |
7x2y2(1 + x) |
D. |
7x(y + 2x)(y - 2x) |
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Hint |
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6. |
Factor 10x2 + 24x + 8. |
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A. |
2(x + 4)(5x + 1) |
B. |
(2x + 4)(5x + 2) |
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C. |
2(x + 2)(5x + 2) |
D. |
(x + 2)(5x + 2) |
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Hint |
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7. |
Solve x2 – x – 72 = 0. |
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A. |
x = -8 |
B. |
x = 8 or x = -9 |
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C. |
x = -8 or x = 9 |
D. |
x = 9 |
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Hint |
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8. |
A conditional statement consists of a __________ . |
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A. |
conclusion only |
B. |
counterexample |
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C. |
hypothesis and a conclusion |
D. |
hypothesis only |
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Hint |
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9. |
Solve  |
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A. |
y = -21 |
B. |
All Real Numbers |
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C. |
No Solution |
D. |
y = 21 |
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Hint |
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10. |
A department store is having a 30% off sale for all clothing items. What is the discount price of a pair of blue jeans that normally cost $39.99? |
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A. |
$29.99 |
B. |
$11.98 |
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C. |
$25.99 |
D. |
$27.99 |
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Hint |
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11. |
Write an equation involving absolute value for the graph. |
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A. |
 |
B. |
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C. |
 |
D. |
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Hint |
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12. |
Solve  |
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A. |
{x| -1 < x < 14} |
B. |
{x| 1 < x < 14} |
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C. |
{x| -14 < x < 1} |
D. |
{x| -14 < x < -1} |
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Hint |
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13. |
City hall was conducting a survey concerning social issues. In order to take part, citizens had to pick up the forms at city hall. What kind of sample is this? |
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A. |
unbiased, systematic random sample |
B. |
unbiased, random sample |
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C. |
biased, convenience |
D. |
biased, voluntary |
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Hint |
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14. |
How many single-topping pizzas can be made from 2 styles of crust, 3 types of sauce, and 9 choices of toppings? |
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A. |
14 |
B. |
9 |
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C. |
54 |
D. |
72 |
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Hint |
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15. |
The table shows the results when a number cube was rolled. What is the experimental probability of rolling an even number? |
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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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16. |
A worker has a cafeteria meal plan. The plan requires her to pay $20 for the card, and $1 each time x she uses it. If the company sells 100 cards, what is its total revenue? |
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A. |
2000 + 100x |
B. |
100x |
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C. |
2100 |
D. |
2000 |
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Hint |
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17. |
Solve –3x2 + 5x + 12 = 0. |
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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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18. |
A guest on a talk show tends to receive many phone calls right after she is on the show, and then the calls become less frequent. This can be represented by the equation y = 30(0.92)d, where y is the number of phone calls after d days. How many phone calls should she expect after a week? |
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A. |
2 |
B. |
17 |
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C. |
23 |
D. |
28 |
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Hint |
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19. |
Which of the following is not necessarily true concerning similar triangles? |
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A. |
The measures of their corresponding sides are proportional. |
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B. |
The measures of their corresponding sides are equal. |
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C. |
The measures of their corresponding angles are equal. |
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D. |
Each triangle has angles whose sum is 180°. |
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Hint |
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20. |
State the excluded value(s) of  . |
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A. |
–4,  , 2 |
B. |
–4, 3, 2 |
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C. |
–4 |
D. |
, 2 |
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Hint |
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