Find a unit vector u with the same direction as v. 8. v = (-3, 6) 9. v = (-8,-2) Let DE be the vector with the given initial and terminal points. Write DE as a linear combination of the vectors i and j. 10. D(4,-5), E(6, -7) 11. D(-4, 3), E(5,-2) 12. D(4, 6), E(-5,-2) 13. D(2, 1), E(3, 7)
