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1. |
Express the ratio in simplest form.
number of shaded squares: total number of squares |
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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. |
Similar triangles must have the same ______. |
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A. |
size |
B. |
right angles |
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C. |
shape |
D. |
size and shape |
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Hint |
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3. |
If  ABC is similar to UVW, find the value of x. |
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A. |
40 |
B. |
42 |
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C. |
39 |
D. |
41 |
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Hint |
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4. |
Tell which proportion could be used to solve the problem. If a 20-minute long-distance call costs $2.75, how much does a similar 8-minute call cost? |
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A. |
Neither are correct |
B. |
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C. |
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D. |
Both are correct |
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Hint |
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5. |
The figure is a scale drawing of the east side of a house. In the drawing, the side of each square represents 4 feet. Find the width and height of the door. |
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A. |
4 feet by 8 feet |
B. |
4 feet by 9 feet |
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C. |
4 feet by 12 feet |
D. |
4 feet by 10 feet |
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Hint |
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6. |
In the figure, the green figure is a dilation of the blue figure. Find the scale factor. |
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A. |
2 |
B. |
3 |
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C. |
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D. |
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Hint |
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7. |
If 1 yard is equal to 36 inches, then 15 yards equals c inches.
Solve for c. |
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A. |
c = 525 inches |
B. |
c = 540 inches |
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C. |
c = 555 inches |
D. |
c = 570 inches |
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Hint |
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8. |
A tower cast a 30-foot shadow. At the same time, a person who is 6 feet tall casts a 4-foot shadow. How tall is the tower? |
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A. |
18 feet |
B. |
34 feet |
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C. |
48 feet |
D. |
47 feet |
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Hint |
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9. |
Kim is standing next to a tree. The tree has a shadow that is 3 m long. Kim, who is 1.3 m tall, has a shadow that is 0.8 m long. How tall is the tree? |
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A. |
4.875 m |
B. |
1.846 m |
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C. |
3.5 m |
D. |
3.972 m |
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Hint |
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10. |
On a blueprint with a scale of inch = 1 foot, what are the dimensions of a room whose actual dimensions are 10 feet by 12 feet? |
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A. |
4 inches by 5 inches |
B. |
20 inches by 24 inches |
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C. |
5 inches by 6 inches |
D. |
inch by  inch |
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Hint |
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11. |
What is the ordered pair of the image of A(-2, 4) if the scale factor is 5? |
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A. |
 (-0.4, 0.8) |
B. |
(3, 9) |
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C. |
(10, 20) |
D. |
(-10, 20) |
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Hint |
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12. |
The table shows the population and the number of members in the U.S. House of Representatives for four states. In which state does a member represent more people? |
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A. |
North Carolina |
B. |
Florida |
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C. |
Tennessee |
D. |
Indiana |
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Hint |
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13. |
The owner of a house graphed the value of her home starting in 1997. Find the rate of change in value from 2000 to 2003. |
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A. |
$1,500 per year |
B. |
$1,000 per year |
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C. |
$4,500 per year |
D. |
$500 per year |
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Hint |
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14. |
Mitchell is on a diet. The table shows his weight from the start of the diet. Find the rate of change in his weight from the third week to the seventh week. |
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A. |
-2 pounds per week |
B. |
-1 pound per week |
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C. |
-1.5 pounds per week |
D. |
-1.4 pounds per week |
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Hint |
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15. |
Find the slope of the line |
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A. |
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B. |
- |
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C. |
-2 |
D. |
2 |
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Hint |
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16. |
The graph shows the distance traveled by some hikers. Interpret the meaning of the slope as a rate of change. |
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A. |
The hikers have traveled a total of 3 miles. |
B. |
The hikers have traveled a total of 6 miles. |
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C. |
The hikers are traveling at a rate of 6 miles per hour. |
D. |
The hikers are traveling at a rate of 3 miles per hour. |
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Hint |
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