| |
| |
1. |
 has vertices A(3, 7), B(-2, 1), and C(4, -1). Suppose the triangle is rotated 180° to form  . What are the coordinates of B'? |
| |
|
A. |
(2, 1) |
B. |
(1, -2) |
| |
|
C. |
(-2, -1) |
D. |
(2, -1) |
| |
|
Hint |
|
| |
2. |
If point C (3, -2) is rotated 180° on the coordinate plane, what are the coordinates of C'? |
| |
|
A. |
(2, 3) |
B. |
(-3, 2) |
| |
|
C. |
(-3, -2) |
D. |
(-2, -3) |
| |
|
Hint |
|
| |
3. |
Triangle QRS with coordinates Q (3, 2), R (-2, 1) and S (1, -3) is rotated 180° on the coordinate plane. What are the coordinates of triangle Q'R'S'? |
| |
|
A. |
Q'(-2, -3), R'(2, -1), S'(-1, 3) |
| |
|
B. |
Q'(-3, -2), R'(-2, -1), S'(-1, -3) |
| |
|
C. |
Q'(-2, -3), R'(-1, 2), S'(-1, 3) |
| |
|
D. |
Q'(-3, -2), R'(2, -1), S'(-1, 3) |
| |
|
Hint |
|
| |
4. |
Triangle QRS has vertices Q(5, 3), R(3, 7), and S(1, 2). Find the coordinates of the image of triangle QRS after it is rotated 90° counterclockwise about the origin. |
| |
|
A. |
Q´(-3, -5), R´(-7, -3), S´(-2, -1) |
| |
|
B. |
Q´(5, -3), R´(3, -7), S´(1, -2) |
| |
|
C. |
Q´(-3, 5), R´(-7, 3), S´(-2, 1) |
| |
|
D. |
Q´(-5, -3), R´(-3, -7), S´(-1, -2) |
| |
|
Hint |
|
| |
5. |
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 |
|
|
|