| |
| |
1. |
Which product is not defined? |
| |
|
A. |
[11 4 -3] |
| |
|
B. |
[16 12 5] |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
2. |
Which figure shows a line that is not a line of symmetry? |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
3. |
What type of transformation results from successive reflections about two parallel lines? |
| |
|
A. |
translation |
B. |
rotation |
| |
|
C. |
turn |
D. |
dilation |
| |
|
Hint |
|
| |
4. |
Which statement is true for the figure below? Assume . |
| |
|
 |
| |
|
A. |
is a translation image of  |
| |
|
B. |
is a translation image of  |
| |
|
C. |
is a translation image of  |
| |
|
D. |
lines and m are perpendicular |
| |
|
Hint |
|
| |
5. |
Which letter shown has no lines of symmetry? |
| |
|
 |
| |
|
A. |
D |
B. |
Z |
| |
|
C. |
W |
D. |
C |
| |
|
Hint |
|
| |
6. |
A dilation with center C produced quadrilateral RSTV. What is the scale factor? |
| |
|
 |
| |
|
A. |
 |
B. |
9 |
| |
|
C. |
2 |
D. |
12 |
| |
|
Hint |
|
| |
7. |
A triangle has vertices M(-3, 6), N(-3, 3), and O(0, 3). Find the coordinates of the dilated triangle M´N´O´ if the scale factor is . |
| |
|
A. |
M´(-9, 18), N´(-9, 9), O´(0, 9) |
| |
|
B. |
M´(-1, 2), N´(-1, 1), O´(0, 1) |
| |
|
C. |
M´(1, -2), N´(1, -1), O´(0, -1) |
| |
|
D. |
M´(-1, 6), N´(-1, 3), O´(0, 3) |
| |
|
Hint |
|
| |
8. |
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 |
|
| |
9. |
Find A – B if and  |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
10. |
Which of the following is true concerning matrix multiplication of three matrices A, B, and C? |
| |
|
A. |
AB = BA for no cases |
| |
|
B. |
AB = BA for all cases |
| |
|
C. |
(A + B)C = CA + CB |
| |
|
D. |
C(A + B) = CA + CB |
| |
|
Hint |
|
| |
11. |
Suppose has vertices A(3, 4), B(-2, 1) and C(2, –3). Dilate so that its perimeter is one-fourth the original perimeter. What are the coordinates of the vertices of  |
| |
|
A. |
   |
| |
|
B. |
   |
| |
|
C. |
   |
| |
|
D. |
   |
| |
|
Hint |
|
| |
12. |
Find the coordinates of the vertices of the image of a triangle FGH with F(-4, 2), G(-3, -3), H(3,4) after it is rotated 270° counterclockwise about the origin. |
| |
|
A. |
F'(2, 4), G'(-3, 3),H'(4, -3) |
| |
|
B. |
F'(4, 2), G'(3, -3),H'(-3, 4) |
| |
|
C. |
F'(2, -4), G'(-3, -3),H'(4, 3) |
| |
|
D. |
F'(-2, 4), G'(3, 3),H'(-4, -3) |
| |
|
Hint |
|
| |
13. |
Find . |
| |
|
A. |
impossible |
| |
|
B. |
 |
| |
|
C. |
 |
| |
|
D. |
 |
| |
|
Hint |
|
| |
14. |
Which is the image of the figure shown when it is tuned 180° clockwise about the center point P? |
| |
|
 |
| |
|
A. |
 |
B. |
 |
| |
|
C. |
 |
D. |
 |
| |
|
Hint |
|
| |
15. |
The table shows how many pieces of furniture four stores receive. The profit on a couch is $150, a lamp is $20, a side table is $80 and a chair is $90. Find the profit for Store A. |
| |
|
 |
| |
|
A. |
$1050 |
B. |
$990 |
| |
|
C. |
$710 |
D. |
$1170 |
| |
|
Hint |
|
| |
16. |
The table shows how many pieces of furniture four stores receive. The profit on a couch is $150, a lamp is $20, a side table is $80 and a chair is $90. Find the profit for Store C. |
| |
|
 |
| |
|
A. |
$990 |
B. |
$1170 |
| |
|
C. |
$1050 |
D. |
$710 |
| |
|
Hint |
|
|
|