1.   Write the ordered pair that represents the vector from X(-4, 7) to Y(3, -4).
    A. B.
    C. D.
    Hint

  2.   Let . Find .
    A. B.
    C. D.
    Hint

  3.   A vector that has a magnitude of one is called a _____.
    A. scalar B. resultant
    C. unit vector D. magnitude
    Hint

  4.   If , then = _______.
    A. B.
    C. D.
    Hint

  5.   Let C = (4, 17), D. = (-11, 2). Write as a sum of unit vectors.
    A. B.
    C. D.
    Hint