Let u be the vector with initial point P(8, -1) and terminal point Q(-8, 3). (a) Graph u in the coordinate plane. -10 u= O -10 (b) Express u in terms of i and j. (c) Find the length of u. |u| 10 -5 -10 10 12 -5 -10 5 X 10 10 -10 -10 5 5 10 -5 -10 10 -51 -10 5 X 10 X 10

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