Computer Science 102
                                  Quiz 1              Name____________________

Please put your name on both front and BACK of your quiz.  Please do not
fold your paper.  You may depart when you finish.

1.  What is the length of the vector (2, -1, 3)





2. Suppose P and Q are points in 3-D space. The vector FROM P TO Q is given
   by:

   a. P - Q                           b. Q - P

   c. P + Q


3. Compute (1, 2, 3) dot (2, -1, -1)







4. Which of the following is a unit vector in the direction of a
   arbitrary vector V (circle all that are correct) ||V|| means
   length of V.

   a. V / || V ||                    b. || V || V


   c. V / (V dot V)                  d. V / sqrt(V dot V)



5. Compute  (1, 2, 3) - (3, -2, 1)