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AP 2. Operations, Magnitude, and Unit Vectors AP 2-2
Name ____________________________________ Date ______ period ______
In exercises 15-24, find a unit vector in the direction of the given vector.
15. u =〈6, 0〉 16. 〈0. −2〉 17. 〈−1, 1〉 18. 〈3, −4〉 19. 〈−24, −7〉
20. 〈8, −20〉 21. 4 − 3 22. − 2 23. 2 24. −3
Maintenance (from last unit):
Direction angles. For the following problems, consider the coordinate as a point given on the terminal side
of an angle in standard position. Determine the direction angle for each one.
21. (6, 2)
22. (2, 6)
23. (8, 6)
24. (6, 8)
25. (12, 6)
26. (6, 12)
State the area and the perimeter for triangle ABC.
