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1. |
Find  |
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2. |
Find A - B if  and  |
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B. |
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3. |
Write the translation matrix for  and its image  |
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A. |
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B. |
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C. |
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4. |
If A(2, 4) is reflected over the x-axis, what are its new coordinates? |
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A. |
(4, 2) |
B. |
(-2, 4) |
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C. |
(-2, -4) |
D. |
(2, -4) |
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5. |
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. |
(2, -4) |
B. |
(0, 4) |
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C. |
(-4, -2) |
D. |
(0, -4) |
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6. |
If KL = 27, find the measure of the dilation image for a scale factor of  . |
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A. |
24 |
B. |
9 |
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C. |
81 |
D. |
30 |
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7. |
A dilation with center C produced quadrilateral RSTV. What is the scale factor? |
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A. |
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B. |
9 |
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C. |
2 |
D. |
12 |
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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. |
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A. |
D´(6, 1), E´(4, 8), F´(2, 5) |
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B. |
D´(1, -6), E´(8, -4), F´(5, -2) |
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C. |
D´(1, 6), E´(8, 4), F´(5, 2) |
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D. |
D´(-1, -6), E´(-8, -4), F´(-5, -2) |
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9. |
If  and  find 3A + 2B. |
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10. |
Given that   and  use the fact that  to find AB + AC. |
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11. |
What are the coordinates of the vertices of the image of rectangle HJKL with H(4, 1), J(-3, -2), K(2, -6), and L(-4, 5) after a reflection across the x-axis? |
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A. |
H'(-4, –1), J'(3, 2), K'(-2, 6), L'(4, -5) |
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B. |
H'(-4, –1), J'(-3, -2), K'(-2, -6), L'(-4, -5) |
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C. |
H'(-4, 1), J'(3, -2), K'(-2, -6), L>'(4, 5) |
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D. |
H'(4, –1), J'(-3, 2), K'(2, 6), L'(-4, -5) |
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Hint |
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12. |
Which is the image of the figure shown when it is tuned 270° counter clockwise about the center point P? |
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13. |
Use the parallelogram in the diagram with a translation of 2 up, 4 units to the left, followed by a reflection over the x-axis to find the coordinates of Y''. |
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A. |
(-2, -2) |
B. |
(-1, 2) |
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C. |
(-2, 2) |
D. |
(1, -2) |
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14. |
Use the parallelogram in the diagram with a translation of 4 down, 6 units to the left, followed by a reflection over the y-axis to find the coordinates of W''. |
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A. |
(4, 2) |
B. |
(-6, 2) |
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C. |
(6, 2) |
D. |
(2, 6) |
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Hint |
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15. |
An ice cream factory distributes chocolate, strawberry and vanilla cartons to two stores. The table shows the number of cartons distributed. The profit on a carton of chocolate is $1.70, strawberry is $2.30, and vanilla is $2.10. Find the amount of profit for store B. |
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A. |
$1325 |
B. |
$1524 |
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C. |
$1175 |
D. |
$1753 |
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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 C. |
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A. |
$1170 |
B. |
$710 |
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C. |
$990 |
D. |
$1050 |
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