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1. |
Find the magnitude of JK if J is (-2,-4) and K is (3,7) |
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A. |
11.2 |
B. |
18.2 |
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C. |
13 |
D. |
12.1 |
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Hint |
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2. |
Find the direction of vector RS given R(-4,-2) and S(3,7). |
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A. |
60.0° |
B. |
52.1° |
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C. |
50.8° |
D. |
59.2° |
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Hint |
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3. |
If  = (0,4) and  = (-1,6), and  = 2 -3, find . |
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A. |
(3,10) |
B. |
(3,-10) |
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C. |
(0,10) |
D. |
(-3,26) |
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Hint |
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4. |
What is the component form of  for A(23, 21) and B(-18, 1)? |
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A. |
 |
B. |
 |
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C. |
 |
D. |
 |
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Hint |
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5. |
Determine the direction of  =  to the nearest degree. |
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A. |
74° |
B. |
276° |
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C. |
344° |
D. |
16° |
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Hint |
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