| |
| |
1. |
A projector focuses an image from the 15-millimeter film onto a screen that is 2.5 meters wide. What is the scale factor? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
2. |
What is the ordered pair of the image of A(-2, 4) if the scale factor is 5? |
| |
|
A. |
 (-10, 20) |
B. |
(10, 20) |
| |
|
C. |
(-0.4, 0.8) |
D. |
(3, 9) |
| |
|
Hint |
|
| |
3. |
What is the ordered pair of the image of A(3, 2) if the scale factor is 2.25? |
| |
|
A. |
(0.75, -0.25) |
B. |
(6.75, 4.5) |
| |
|
C. |
(1. , 0. ) |
D. |
(5.25, 4.25) |
| |
|
Hint |
|
| |
4. |
A projector displays an image from 35-millimeter film onto a screen that is 10 meters wide. What is the scale factor? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
5. |
A projector displays an image from 25-millimeter film onto a screen that is 3.5 meters wide. What is the scale factor? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
|
|