| |
| |
1. |
Identify the transformation. |
| |
|
 |
| |
|
A. |
Reflection |
B. |
Rotation |
| |
|
C. |
Translation |
D. |
Dilation |
| |
|
Hint |
|
| |
2. |
Triangle DEF has vertices D(-6, -1), E(-4, -8), and F(-2, -5). Find the coordinates of the image of triangle DEF after it is rotated 180° about the origin. |
| |
|
A. |
D´(1, 6), E´(8, 4), F´(5, 2) |
| |
|
B. |
D´(1, -6), E´(8, -4), F´(5, -2) |
| |
|
C. |
D´(6, 1), E´(4, 8), F´(2, 5) |
| |
|
D. |
D´(-1, -6), E´(-8, -4), F´(-5, -2) |
| |
|
Hint |
|
| |
3. |
Which is the image of the figure shown when it is tuned 270° counter clockwise about the center point P? |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
4. |
Which is the image of the figure shown when it is tuned 90° counter clockwise about the center point P? |
| |
|
|
| |
|
A. |
|
B. |
|
| |
|
C. |
|
D. |
|
| |
|
Hint |
|
| |
5. |
What is the rule where the angle of rotation is  clockwise, and the center is (0, 0)? |
| |
|
A. |
(x, y) (-y, -x) |
| |
|
B. |
(x, y)(-x, y) |
| |
|
C. |
(x, y)(-x, -y) |
| |
|
D. |
(x, y)(-y, x) |
| |
|
Hint |
|
|
|