Reading Assignment:
  We finished 7.6 and 7.7 today (Monday). 
  Read Section 9.1 for detailed qualitative analysis of
    the 2x2 constant coeffecient systems we have been 
    considering so far. 

When reading:
  Pay attention to the analyses of the various sorts of 
    behavior the solutions of 2x2 systems can exhibit.
  Understanding the qualitative graphs of solutions will be
    important on the upcoming exam.

Problems (due Thursday, 17 Feb at the exam):
  Section 7.6 : 1,2,6,7,9 
          (do not draw direction fields for 1-7)
  Section 7.7 : 1,2,3,5,7,11
          (do not draw direction fields for 1-5;
           do not graph for 1-11)