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1. |
Find  [6,3,-1]. |
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A. |
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B. |
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C. |
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D. |
[3 3 -1] |
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Hint |
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2. |
Find the dimensions of A6 × 3 · B3 × 1. |
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A. |
3 × 1 |
B. |
6 × 1 |
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C. |
6 × 3 |
D. |
3 × 3 |
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Hint |
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3. |
Find  |
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A. |
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B. |
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C. |
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D. |
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Hint |
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4. |
Which statement is true for the figure below? Assume  . |
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A. |
 is a translation image of  |
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B. |
 is a translation image of |
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C. |
lines  and m are perpendicular |
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D. |
is a translation image of |
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Hint |
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5. |
Which letter shown has only one line of symmetry? |
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A. |
A |
B. |
O |
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C. |
X |
D. |
P |
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Hint |
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6. |
The point W (-2, 1) is in quadrilateral WXYZ. If the quadrilateral is translated 3 units down and 2 units to the left, what are the coordinates of W'? |
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A. |
(0, 4) |
B. |
(-4, -2) |
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C. |
(0, -4) |
D. |
(2, -4) |
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Hint |
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7. |
Which statement is true about dilations? |
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A. |
Dilations form similar images. |
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B. |
Dilations are the combination of two reflections. |
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C. |
Dilations are isometries. |
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D. |
Dilations form congruent images. |
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Hint |
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8. |
Pentagon EFGHI has vertices E(-9, 0), F(-3, 6), G(6, 6), H(6, -6), and I(-3, -6). Graph pentagon EFGHI and its dilated image E´F´G´H´I´ if the scale factor is  . |
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A. |
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B. |
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C. |
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D. |
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Hint |
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9. |
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  |
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A. |
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B. |
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C. |
   |
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D. |
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Hint |
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10. |
Which of the following is the correct rotation matrix for a rotation of 180°counterclockwise about the origin? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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11. |
Find  . |
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A. |
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B. |
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C. |
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D. |
impossible |
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Hint |
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12. |
What is the rule where the angle of rotation is 90° counterclockwise, and the center is (0, 0)? |
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A. |
(x, y)  (-x, -y) |
B. |
(x, y) (-x, y) |
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C. |
(x, y) (-y, x) |
D. |
(x, y) (-y, -x) |
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Hint |
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13. |
Which is the image of the figure shown when it is tuned 270° counter clockwise about the center point P? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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14. |
Use the triangle in the diagram with a translation of 7 down, 2 units to the right, followed by a reflection over the y-axis to find the coordinates of X''. |
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A. |
(1, -1) |
B. |
(-1, -1) |
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C. |
(-1, 1) |
D. |
(1, 1) |
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Hint |
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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 B. |
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A. |
$1050 |
B. |
$990 |
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C. |
$1170 |
D. |
$710 |
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Hint |
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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 D. |
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A. |
$1170 |
B. |
$1050 |
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C. |
$710 |
D. |
$990 |
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Hint |
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