Midterm 3 Preparation:
Questions related to the material covered in midterm 3, i.e. related 
to chapter 7 about eigenvalues, eigenvectors and diagonalization
and chapter 8 about symmetric matrices and quadratic forms,
are covered in midterm 2 and finals, see below: 

mid2f01- eigenvalues #1,                              
mid2f05- eigenvalues #4,5                                
mid2s06- eigenvalues #4,10-15,
mid2f13- eigenvalues #4,
mid2f14- eigenvalues #4d,5,
mid2f16- eigenvalues #2,

finf01 - #8,9,10,
fins02 - #3-4,5abe,
fins03 - #14-18,31-34,38-40
finf03 - #1-2,12,13-16,18-31,
fins05 - #5abd,6,7,8 (go over 12/3)
finf05 - #5,6, 
fins06 - #10,11,12,13,19,20,21,22,23,24,25 (go over 12/1) 
finf06 - #3,7,8c,9,10,11 (go over 12/3) 
fins09 - #1,2,3,8,10i,10iv  (go over 12/1) 
finf13 - #1,4, 
finf15 - #12, (no sol) 
fins16 - #16,17,18 (no sol)