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1. |
Solve the system of equations y = 3x + 4 and y = -2x - 6 by graphing. |
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A. |
(-2, -3) |
B. |
(-3, 2) |
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C. |
(4, 6) |
D. |
(-2, -2) |
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Hint |
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2. |
Identify the solution of the system of equations x - y = 8 and y = -x + 6. |
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A. |
(1, -7) |
B. |
(4, -6) |
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C. |
(-3, 2) |
D. |
(7, -1) |
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Hint |
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3. |
Use substitution to solve the system of equations x - 4y = 9
and 2x - 3y = 8. |
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A. |
(2, -3) |
B. |
(-4, -3) |
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C. |
(1, -2) |
D. |
(3, 4) |
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Hint |
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4. |
To solve the system of equations x - 2y = 3 and 2x + 3y = 4 by eliminating the x terms________. |
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A. |
multiply the first equation by 3 and the second equation by 2, then add the equations |
B. |
add 2y to each side of the first equation, then replace the result in the second equation |
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C. |
multiply the first equation by -2, then add the equations |
D. |
multiply the first equation by 4 and the second equation by 3, then add the equations |
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Hint |
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5. |
What are the coordinates of the preimage of X'? |
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A. |
(5, 4) |
B. |
(-1, 1) |
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C. |
(6, 3) |
D. |
(-6, -3) |
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Hint |
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6. |
Quadrilateral PQRS has vertices P(-1, 3), Q(2, 3), R(3, -4),
and S(-3, -3). What are the coordinates of the vertices after a translation
of (-1, 2)? |
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A. |
P'(0, 5), Q'(3, 5), R'(4, -2), S'(-2, -1) |
B. |
P'(-2, 5), Q'(1, 5), R'(2, -2), S'(-4, -1) |
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C. |
P'(0, 1), Q'(3, 1), R'(4, -6), S'(-2, -5) |
D. |
P'(-2, 1), Q'(1, 1), R'(2, -6), S'(-4, -5) |
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Hint |
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7. |
Find the coordinates of A(7, 4) after it is reflected over the x-axis. |
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A. |
A'(7, 4) |
B. |
A'(-7, -4) |
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C. |
A'(-7, 4) |
D. |
A'(7, -4) |
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Hint |
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8. |
Graph the image of  after a reflection across the x-axis. |
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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. |
Quadrilateral ABCD is rotated 90° clockwise about the origin. What are the coordinates of the vertex A? |
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A. |
(3, 1) |
B. |
(3, -1) |
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C. |
(-3, -1) |
D. |
(-3, 1) |
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Hint |
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10. |
If quadrilateral ABCD is rotated 180° counterclockwise, what are the coordinates of D'? |
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A. |
(0, -2) |
B. |
(2, 0) |
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C. |
(0, 2) |
D. |
(-2, 0) |
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Hint |
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11. |
A transformation in which the image of a figure is larger or smaller is a_________. |
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A. |
translation |
B. |
dilation |
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C. |
rotation |
D. |
reflection |
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Hint |
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12. |
Determine the scale factor used in the dilation of a figure if vertex
A(9, -18) has the image A'(6, -12). |
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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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