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1. |
Which statement illustrates the associative property of multiplication? |
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A. |
(2x)y = 2(xy) |
B. |
(2x)y = (x · 2)y |
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C. |
(2x)y = y(2x) |
D. |
(2x)y = 2xy |
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Hint |
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2. |
Evaluate  if  |
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A. |
-1 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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3. |
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. |
26:1 |
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C. |
25:26 |
D. |
1:25 |
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Hint |
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4. |
Factor x2 – 16. |
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A. |
(x – 4)(x – 4) |
B. |
(x + 4)(x + 4) |
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C. |
(x + 4)(x – 4) |
D. |
(x + 2)(x – 8) |
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Hint |
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5. |
Factor 6a3b5 – 15a2b. |
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A. |
3a2b(2ab4 - 5) |
B. |
ab(6a2b4 - 15a) |
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C. |
3a3b(2ab2 - 5) |
D. |
3(2a3b5 - 5a2b) |
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Hint |
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6. |
Which is the graph of the equation y = 2x2 - 1? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
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Hint |
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7. |
The Mendoza family just bought a house for $180,000. If the value of the house increases at a rate of 3% per year, about how much will it be worth in 10 years? |
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A. |
$234,000 |
B. |
$258,000 |
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C. |
$242,000 |
D. |
$250,000 |
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Hint |
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8. |
Simplify the expression  . |
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A. |
100 mph |
B. |
132 ft/s |
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C. |
198 s/ft |
D. |
88 ft/s |
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Hint |
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9. |
Evaluate 2 × 17 × 5. |
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A. |
170 |
B. |
190 |
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C. |
180 |
D. |
160 |
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Hint |
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10. |
Find the 25th term of the arithmetic sequence –1, 3, 7, 11, …. |
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A. |
103 |
B. |
95 |
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C. |
91 |
D. |
99 |
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Hint |
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11. |
Find the next three terms in the sequence 10, 15, 25, 40, …. |
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A. |
55, 70, 85 |
B. |
45, 50, 55 |
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C. |
60, 85, 115 |
D. |
65, 100, 145 |
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Hint |
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12. |
Suppose that the base of a triangle is 3xy and its height is also 3xy. What is its area, expressed as a monomial? |
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A. |
6x2y2 |
B. |
 |
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C. |
x4 |
D. |
 |
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Hint |
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13. |
Express 0.000033 in scientific notation. |
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A. |
3.3 × 10-6 |
B. |
3.3 × 105 |
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C. |
3.3 × 10-4 |
D. |
3.3 × 10-5 |
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Hint |
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14. |
Find the area of a triangle with base 2x + 3 and height 3x – 1. |
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A. |
6x2 + 7x – 3 |
B. |
 x2 +  x – 3 |
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C. |
5x2 + 7x – 3 |
D. |
3x2 + x  |
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Hint |
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15. |
In baseball, a pop fly should be easily caught if it stays in the air for 7 seconds. Suppose a ball that is hit can be represented by the function y = –16t2 + 125t + 5, where y is the height after t seconds. Will the ball be considered an easy catch? |
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A. |
no, because t > 7 |
B. |
yes, because t < 7 |
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C. |
no, because t < 7 |
D. |
yes, because t > 7 |
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Hint |
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16. |
Solve x2 – 12x + 34 = 0 by taking the square root of each side. |
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A. |
 |
B. |
{5, 7} |
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C. |
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D. |
{6} |
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Hint |
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17. |
What are the next three terms of the geometric sequence 4, 10, 25,…? |
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A. |
62.5, 312.5, 1562.5 |
B. |
100, 400, 1600 |
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C. |
100, 250, 1000 |
D. |
62.5, 156.25, 390.625 |
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Hint |
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18. |
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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19. |
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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20. |
If Dale Jarrett drives his car 1760 feet on the racetrack in 6 seconds, about how long will it take him to drive 2640 feet, a half mile? |
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A. |
6 minutes, 40 seconds |
B. |
9 seconds |
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C. |
18 minutes |
D. |
18 seconds |
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Hint |
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