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1. |
Based on the line plot, what is the highest score? |
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A. |
100 |
B. |
21 |
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C. |
71 |
D. |
75 |
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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. |
15|2 |
B. |
15|1 |
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C. |
151|2 |
D. |
1|51 |
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Hint |
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3. |
What is the probability that you roll an odd number on a six-sided number cube? |
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A. |
3:1 |
B. |
1:1 |
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C. |
 |
D. |
 |
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Hint |
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4. |
If y varies directly as x and y = 35 when x = 5, find y when x = 11. |
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A. |
7 |
B. |
41 |
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C. |
77 |
D. |
 |
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Hint |
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5. |
Four blocks are placed in a paper bag. Each block is marked with a different letter, A, C, T, or E. Several children are playing a game by picking three blocks out of the bag without looking into the bag as they choose. Anyone who picks the three blocks that spell CAT wins a point. What is the probability of picking the blocks marked C, A, and T? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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6. |
Find (a2 + 3a + 4) ÷ (a - 2). |
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A. |
 |
B. |
 |
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C. |
a + 5 |
D. |
a + 3 - 2 |
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Hint |
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7. |
Solve . |
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A. |
-2 |
B. |
4 |
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C. |
1 or 4 |
D. |
0 |
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Hint |
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8. |
Simplify 7(b + 3) + 14. |
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A. |
24b |
B. |
7b + 35 |
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C. |
42b |
D. |
7b + 17 |
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Hint |
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9. |
Identify the coordinates of point C. |
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A. |
(2, 1) |
B. |
(5, 2) |
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C. |
(4, 6) |
D. |
(6, 4) |
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Hint |
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10. |
Find f(x – 7) if f(x) = -4x – 10. |
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A. |
4x + 3 |
B. |
4x – 38 |
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C. |
-4x + 18 |
D. |
-4x – 17 |
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Hint |
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11. |
Solve  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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12. |
Use graphing to solve the system of inequalities given by y < x + 1 and  |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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13. |
Which of the following is not necessarily considered a part of the population? |
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A. |
census |
B. |
random sample |
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C. |
biased sample |
D. |
the data collector |
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Hint |
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14. |
Anthony and Sanford each throw a football. The height of Anthony's throw can represented by the equation A = –10x2 + 15x + 22, where A is height and x is the time in seconds. The height of Sanford's throw can represented by the equation S = –9x2 + 14x + 23. At time x, how much higher is Sanford's throw? |
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A. |
x2 + x – 1 |
B. |
x2 – x + 1 |
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C. |
x2 – x – 1 |
D. |
x2 + x + 1 |
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Hint |
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15. |
Joanne has a garden that is 9 feet long by 6 feet wide. She wants to increase the dimensions of the garden by the same amount, and have the area of the new garden be 5 times the area of the present garden. What should the new dimensions be? |
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A. |
length = 18 ft wideth = 15ft |
B. |
length = 24 ft width = 30 ft |
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C. |
length = 30 ft width = 24ft |
D. |
length = 15 ft width = 18 ft |
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Hint |
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16. |
Solve the following: (q + 2)2 = 25. |
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A. |
{–7, 3} |
B. |
{–3, 3} |
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C. |
{–7} |
D. |
{3} |
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Hint |
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17. |
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. |
yes, because t < 7 |
B. |
no, 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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18. |
Simplify . State the excluded values of x. |
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A. |
, excluded value is 3 |
B. |
, excluded values are 1 and 3 |
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C. |
, excluded value is 3 |
D. |
, excluded values are 1 and 3 |
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Hint |
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19. |
Find . |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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20. |
Gary is inches tall, and weighs pounds. What is his ratio in pounds per inch of height? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
3 |
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Hint |
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