| |
| |
1. |
Which letter has rotational symmetry? |
| |
|
A. |
M |
B. |
C |
| |
|
C. |
E |
D. |
O |
| |
|
Hint |
|
| |
2. |
How many lines of symmetry does the figure shown below have? |
| |
|
 |
| |
|
A. |
1 |
B. |
0 |
| |
|
C. |
4 |
D. |
2 |
| |
|
Hint |
|
| |
3. |
Which of the following shows a reflection. |
| |
|
A. |
 |
B. |
B | B |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
4. |
The vertices of are A(2, -1), B(0, -3), and C(4, -2). Find the vertices of the triangle after a translation 2 units right and 3 units down. |
| |
|
A. |
A'(0, 2), B'(-2, 0), C'(2, 1) |
| |
|
B. |
A'(-1, 1), B'(-3, -1), C'(1, 0) |
| |
|
C. |
A'(4, -4), B'(2, -6), C'(6, -5) |
| |
|
D. |
A'(4, 2), B'(2, 0), C'(6, 1) |
| |
|
Hint |
|
| |
5. |
Triangle RST has vertices R(-3, 2), S(0, -5), and T(4, 5). When translated R' has coordinates (4, 1). Find the coordinates of S' and T'. |
| |
|
A. |
S'(-6, 7), T'(4, 11) |
| |
|
B. |
S'(-7, 6), T'(-11, 4) |
| |
|
C. |
S'(7, -6), T'(4, 11) |
| |
|
D. |
S'(7, -6), T'(11, 4) |
| |
|
Hint |
|
| |
6. |
Find the angle of rotation that is the same as 70°. |
| |
|
A. |
170° |
B. |
–70° |
| |
|
C. |
–290° |
D. |
–170° |
| |
|
Hint |
|
| |
7. |
What two things does a vector contain? |
| |
|
A. |
angle of rotation and distance |
| |
|
B. |
direction and rotational symmetry |
| |
|
C. |
length and width |
| |
|
D. |
distance and direction |
| |
|
Hint |
|
| |
8. |
Find the correct representation of a glide reflection. |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
9. |
What is the scale factor of Figure A to Figure B? |
| |
|
 |
| |
|
A. |
2 |
B. |
3 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
10. |
Use the projection method to scale this polygon by a factor of . |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
|
|