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1. |
If M(5, -4) is the midpoint of  and C has coordinates (9, -2), find the coordinates of D. |
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A. |
(-6, 1) |
B. |
(-3, 7) |
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C. |
(7, -3) |
D. |
(1, -6) |
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Hint |
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2. |
Collinear points lie on the same line. Find the value of k for which the points (3, 7), (-5, -1), and (-1, k) are collinear. |
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A. |
-1 |
B. |
3 |
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C. |
4 |
D. |
2 |
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Hint |
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3. |
If rectangle ABCD has vertices A(0, 0), B(a, 0), and C(a, b), find the coordinates of D. |
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A. |
(0, b) |
B. |
(0, -b) |
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C. |
(a, 0) |
D. |
(0, 3) |
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Hint |
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4. |
The vertices of a rectangle are at (0, -2), (2, 0), (-1, 3), and (-3, 1). Find the area of the rectangle. |
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A. |
 units2 |
B. |
144 units2 |
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C. |
12 units2 |
D. |
 units2 |
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Hint |
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5. |
Which are the coordinates of the vertices of a parallelogram? |
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A. |
(0, 4), (2, 9), (-1, -3), (4, 6) |
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B. |
(-1, 1), (1, 4), (6, 5), (4, 2) |
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C. |
(-3, 2), (5, 1), (4, 0), (-1, 3) |
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D. |
(1, 1), (-3, 0), (4, 2), (-2, 3) |
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Hint |
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