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1. |
Write 3,465 in scientific notation. |
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A. |
346.5×10 |
B. |
3.465×103 |
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C. |
0.3465×104 |
D. |
34.65×102 |
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Hint |
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2. |
Name the ordered pair for point A. |
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A. |
(-3, -4) |
B. |
(-4, -3) |
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C. |
(3, -4) |
D. |
(-3, 4) |
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Hint |
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3. |
Which type of display is most appropriate for showing the ages of workers and their annual income? |
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A. |
line plot |
B. |
scatter plot |
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C. |
histogram |
D. |
circle graph |
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Hint |
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4. |
Cole can read 6 pages in 14 minutes. At this rate, how long will it take him to read a chapter that has 21 pages? |
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A. |
27 min |
B. |
9 min |
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C. |
49 min |
D. |
42 min |
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Hint |
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5. |
Three ordered pairs for f(n) = 2n - 1 are (-1, -3), (1, 1), and (2, 3). Graph the function. |
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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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6. |
Find 2 – (–5). |
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A. |
–7 |
B. |
7 |
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C. |
3 |
D. |
–3 |
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Hint |
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7. |
Suppose you want to determine the favorite food of students in your school. Which would not provide a random sample? |
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A. |
surveying every tenth student on the school roster |
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B. |
surveying every fifth student to enter the school in the morning |
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C. |
surveying customers at a nearby hamburger stand |
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D. |
surveying three students from each homeroom class |
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Hint |
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8. |
Find an explanation for the expression s + 3. |
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A. |
If s is the number of students in the classroom, s + 3 is the number of students after 3 new students join the class. |
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B. |
If s is the number of students in the classroom, s + 3 is the number of students after 3 students leave the class. |
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C. |
If s is the number of sunny days, s + 3 is the number of sunny days in March, the third month of the year. |
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D. |
If s is the number of sunny days, s + 3 is the number of sunny days 3 years ago. |
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Hint |
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9. |
Using the formula for the area of a trapezoid  , find A
if h = 7 cm, b1 = 3 cm, and b2 = 5 cm. |
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A. |
25 cm2 |
B. |
18 cm2 |
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C. |
28 cm2 |
D. |
7.5 cm2 |
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Hint |
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10. |
For each 1 cubic unit of volume, how many square units of surface area are there? |
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A. |
4.2 |
B. |
3.8 |
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C. |
4.5 |
D. |
3.4 |
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Hint |
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11. |
Find the surface area of a soup can that has a height of 12 cm and a diameter of 8 cm. |
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A. |
703.7 cm2 |
B. |
402.1 cm2 |
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C. |
1,005.3 cm2 |
D. |
1,206.4 cm2 |
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Hint |
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12. |
Rewrite ra ÷ rb using a single base. |
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A. |
rab |
B. |
ra-b |
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C. |
rb |
D. |
ra |
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Hint |
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13. |
Evaluate (–4) 3. |
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A. |
12 |
B. |
–12 |
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C. |
64 |
D. |
–64 |
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Hint |
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14. |
Tamika earns $9 per hour working at the library. In one week, she earned $261. How many hours did Tamika work in that week? |
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A. |
20 hours |
B. |
2,349 hours |
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C. |
29 hours |
D. |
252 hours |
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Hint |
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15. |
What is the final answer to this Think of a Number trick?
Think of a number.
Subtract 6.
Multiply by –3.
Subtract 18. |
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A. |
the answer is –3 times the number you started with |
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B. |
the answer is 1.5 times the number you started with |
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C. |
the answer is –1.5 times the number you started with |
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D. |
the answer is 3 times the number you started with |
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Hint |
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16. |
What is the final answer to this Think of a Number trick?
Think of a number.
Multiply by 4.
Subtract 8.
Divide by 2.
Add 4. |
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A. |
the answer is 2 less than the number you started with |
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B. |
the answer is 2 more than the number you started with |
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C. |
the answer is –2 times the number you started with |
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D. |
the answer is 2 times the number you started with |
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Hint |
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17. |
Find the surface area of the square pyramid after it has been scaled by a factor 3. |
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A. |
756 cm2 |
B. |
1,024 cm2 |
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C. |
252 cm2 |
D. |
84 cm2 |
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Hint |
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18. |
Joy walks slowly and steadily across her living room. Describe the graph below. |
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A. |
Joy walks slow to the left, then she walks fast to the left. |
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B. |
Joy walks slow to the right, then she walks fast to the right. |
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C. |
Joy walks fast to the right, then she walks slow to the right. |
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D. |
Joy walks fast to the left, then she walks slow to the left. |
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Hint |
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19. |
The currency in Poland is the zloty. On a particular day in October 2001, Cindy wanted to exchange $20 for zloty. The rule for converting zloty to U.S. dollars was D = 0.244Z, where D was the price in U.S. dollars and Z was the price in zloty. How much money, in Polish zloty, did Cindy receive? Use the graph below to help you. |
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A. |
75 zloty |
B. |
82 zloty |
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C. |
90 zloty |
D. |
63 zloty |
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Hint |
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20. |
Find a description that can model this graph. |
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A. |
Bill taking his dog for a walk to the park and back.. |
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B. |
Bill running in a cross country race. |
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C. |
Bill walking back and forth across a room. |
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D. |
Bill walking to the store. |
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Hint |
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