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1. |
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Hint |
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2. |
Find A - B if and  |
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B. |
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3. |
Refer to the figure below. A dilation with center C produced the circle in red. What is the scale factor of the dilation? |
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A. |
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B. |
3 |
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C. |
1 |
D. |
2 |
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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. |
(-2, 4) |
B. |
(4, 2) |
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C. |
(-2, -4) |
D. |
(2, -4) |
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5. |
Which letter shown has no lines of symmetry? |
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A. |
C |
B. |
D |
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C. |
W |
D. |
Z |
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6. |
Which is not a true statement about a translation? |
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A. |
The orientation of an image is the same as its preimage. |
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B. |
The congruence of shapes is preserved in a translation. |
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C. |
A translation is often referred to as a glide. |
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D. |
A translation in the coordinate plane must reflect over the x-axis or y-axis. |
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7. |
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'(-2, -3), 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'(-3, -2), R'(2, -1), S'(-1, 3) |
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Hint |
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8. |
If KL = 27, find the measure of the dilation image for a scale factor of . |
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24 |
B. |
81 |
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C. |
30 |
D. |
9 |
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Hint |
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9. |
If and find 3A + 2B. |
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10. |
If and find 4A – 5B. |
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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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H'(-4, –1), J'(-3, -2), K'(-2, -6), L'(-4, -5) |
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12. |
Find the coordinates of the vertices of the image of a rectangle ABCD with A(4, -3), B(-3, 1), C(-7, -3), and D(5, 2) after a reflection across the line y = x. |
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A. |
A'(-3, 4),B'(1, -3),C'(-3, -7),D'(2, 5) |
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B. |
A'(-4, -3),B'(3, 1),C'(7, -3),D'(-5, 2) |
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C. |
A'(3, 4),B'(-1, -3),C'(3, -7),D'(-2, 5) |
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D. |
A'(-3, -4),B'(1, 3),C'(-3, 7),D'(2, -5) |
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Hint |
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13. |
Suppose the matrix represents the records of the top four teams in a baseball season. If someone used this matrix to predict the total number of wins and losses by the second place team in the next decade (ten years), how many wins and losses would they predict? |
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A. |
980 wins, 640 losses |
B. |
950 wins, 670 losses |
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C. |
910 wins, 710 losses |
D. |
980 wins, 950 losses |
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Hint |
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14. |
Which is the image of the figure shown when it is tuned 180° 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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15. |
Use the triangle in the diagram with a translation of 6 down, 3 units to the right, followed by a reflection over the x-axis to find the coordinates of Y''. |
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A. |
(3, 6) |
B. |
(2, 5) |
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C. |
(-3, 6) |
D. |
(-2, 5) |
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16. |
A farmer raises two crops which 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 A. |
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A. |
$775 |
B. |
$1540 |
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C. |
$2095 |
D. |
$1529 |
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Hint |
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