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1. |
Suppose  and  Which ordered pair represents  ? |
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A. |
(-5, 12) |
B. |
(-10, 3) |
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C. |
(14, 21) |
D. |
(-3, 3) |
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Hint |
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2. |
Given A(-5,0) and B(2,4) find the vector parallel to AB. |
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A. |
CD, C (-2,2)D (5,3) |
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B. |
UV, U (-4,-5)V (-3,5) |
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C. |
RS, R (-1,1) S (6,-3) |
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D. |
WX, W (-1,-3)X (6,1) |
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Hint |
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3. |
Find the magnitude of JK if J is (-2,-4) and K is (3,7) |
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A. |
13 |
B. |
18.2 |
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C. |
12.1 |
D. |
11.2 |
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Hint |
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4. |
Find the direction of vector RS given R(-4,-2) and S(3,7). |
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A. |
60.0° |
B. |
59.2° |
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C. |
52.1° |
D. |
50.8° |
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Hint |
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5. |
If  = (0,4) and  = (-1,6), and  = 2 -3, find . |
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A. |
(0,10) |
B. |
(-3,26) |
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C. |
(3,10) |
D. |
(3,-10) |
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Hint |
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