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1. |
Triangle FGH has vertices F(12, 6), G(8, 1), and H(-4, 4). If the triangle is reduced so that the resulting perimeter is half the original perimeter, what are the coordinates of F'? |
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A. |
(4, 2) |
B. |
(6, 6) |
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C. |
(-2, -2) |
D. |
(6, 3) |
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Hint |
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2. |
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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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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D. |
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Hint |
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4. |
Which product is not defined? |
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A. |
 |
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B. |
[16 12 5] |
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C. |
 [11 4 -3] |
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D. |
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Hint |
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5. |
Find the dimensions of A6 × 3 · B3 × 1. |
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A. |
6 × 3 |
B. |
6 × 1 |
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C. |
3 × 3 |
D. |
3 × 1 |
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Hint |
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6. |
 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'? |
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A. |
(2, 1) |
B. |
(2, -1) |
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C. |
(1, -2) |
D. |
(-2, -1) |
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Hint |
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7. |
If A (-2, -3) is reflected over the y-axis, what are the new coordinates of A' ? |
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A. |
(-2, -3) |
B. |
(-2, 3) |
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C. |
(2, 3) |
D. |
(2, -3) |
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Hint |
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8. |
Which letter shown has only one line of symmetry? |
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A. |
O |
B. |
P |
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C. |
X |
D. |
A |
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Hint |
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9. |
Find the coordinates of A (3, -2) after it has been translated by reflecting it over the graph of y = 1 and then y = -1. |
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A. |
(-1, -2) |
B. |
(3, -6) |
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C. |
(-2, 3) |
D. |
(6, -3) |
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Hint |
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10. |
If a triangle is translated then the preimage and the image must be _________. |
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A. |
congruent |
B. |
parallel |
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C. |
similar |
D. |
perpendicular |
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Hint |
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11. |
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'? |
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A. |
Q'(-3, -2), R'(2, -1), S'(-1, 3) |
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B. |
Q'(-2, -3), R'(-1, 2), S'(-1, 3) |
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C. |
Q'(-3, -2), R'(-2, -1), S'(-1, -3) |
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D. |
Q'(-2, -3), R'(2, -1), S'(-1, 3) |
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Hint |
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12. |
If KL = 27, find the measure of the dilation image for a scale factor of  . |
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A. |
9 |
B. |
24 |
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C. |
30 |
D. |
81 |
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Hint |
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13. |
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 form congruent images. |
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D. |
Dilations are isometries. |
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Hint |
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14. |
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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15. |
A farmer raises two crops that are shipped to 3 distributors. The table shows the number of crates shipped to each distributor. The profit on crop 1 is $2.50 per crate. The profit on crop 2 is $2.75 per crate. Find the amount of profit from Distributor C. |
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A. |
$1529 |
B. |
$770 |
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C. |
$1540 |
D. |
$2112.50 |
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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 A. |
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A. |
$990 |
B. |
$1170 |
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C. |
$710 |
D. |
$1050 |
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Hint |
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