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1. |
Express the ratio 12 inches to 2 yards in simplest form. |
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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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2. |
Express the ratio 6 cups to 40 cups in simplest form. |
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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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3. |
Solve  |
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A. |
4 |
B. |
2.5 |
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C. |
3 |
D. |
3.5 |
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Hint |
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4. |
If James can bicycle 32 miles in 4 hours, how far can he bicycle in 3 hours? |
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A. |
12 miles |
B. |
30 miles |
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C. |
24 miles |
D. |
8 miles |
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Hint |
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5. |
Assume the triangles are similar. What is the value of x? |
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A. |
10 |
B. |
5 |
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C. |
3.2 |
D. |
20 |
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Hint |
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6. |
If the actual distance between two airports is 375 kilometers and the distance on a map is 8 centimeters, what is the scale for the map? |
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A. |
1:468,750 |
B. |
1:4,687,500 |
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C. |
1:46,875 |
D. |
1:4,687.5 = 2:9,375 |
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Hint |
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7. |
 A and D are corresponding angles of similar triangles. Find the value of x if mA = 45°and mD = 0.25x – 3.75. |
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A. |
x = 180 |
B. |
x = 170 |
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C. |
x = 165 |
D. |
x = 195 |
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Hint |
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8. |
Triangle ABC is similar to triangle DEF. Find the length of  . |
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A. |
15 feet |
B. |
6 feet |
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C. |
16 feet |
D. |
37 feet |
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Hint |
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9. |
A lamppost has a shadow that is 2 m long. A street sign has a shadow that is  m long. If the street sign is 2 m tall, how tall is the lamppost? |
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A. |
1 m |
B. |
m |
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C. |
5 m |
D. |
3 m |
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Hint |
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10. |
On a map with a scale of 1 inch = 100 miles, the distance between two cities is 7.5 inches. If a person travels 55 miles per hour, how long will it take to travel from one town to the other? |
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A. |
about 12 hours and 30 minutes |
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B. |
about 12 hours and 44 minutes |
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C. |
about 13 hours and 9 minutes |
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D. |
about 13 hours and 38 minutes |
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Hint |
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11. |
A projector displays an image from 35-millimeter film onto a screen that is 10 meters wide. What is the scale factor? |
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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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12. |
A projector displays an image from 25-millimeter film onto a screen that is 3.5 meters wide. What is the scale factor? |
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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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13. |
The graph shows the fuel efficiency for the light duty trucks in the United States. Find the rate of change in the fuel efficiency from 1999 to 2000. |
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A. |
0.075 mpg per year |
B. |
0 mpg per year |
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C. |
-0.4 mpg per year |
D. |
-0.2 mpg per year |
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Hint |
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14. |
The graph shows the price of a television. Find the rate of change in the price of the television from 1998 to 2000. |
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A. |
-$12.50 per year |
B. |
-$8.33 per year |
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C. |
$0 per year |
D. |
$8.33 per year |
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Hint |
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15. |
Find the slope of the line. |
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A. |
-1 |
B. |
2 |
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C. |
0 |
D. |
1 |
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Hint |
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16. |
The graph shows the fees charged by a plumber. Interpret the meaning of the slope as a rate of change. |
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A. |
The plumber charges $40 for each hour worked. |
B. |
The plumber charges $40 for each job. |
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C. |
The plumber charges $80 for each hour worked. |
D. |
The plumber charges $80 for each job. |
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Hint |
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