Section  Exercises  Comments 

Section 1.1  1, 3, 5, 7, 9, 11, 13, 17, 21, 29, 33, 39, 43, 53, 55  The dot product is defined in 1.2 
Section 1.2  3, 9, 15, 17, 25, 33, 35, 41, 43, 47, 49, 66  
Section 1.3  1, 3, 5, 7, 9, 11, 13, 15, 19, 21, 23, 27, 28, 29, 31, 33  
ISBN and UPC  1, 3, 5, 7, 9, 13, 17, 21  
Section 2.1  1, 3, 9, 11, 13, 15, 17, 21, 23, 29, 31, 37, 43  
Section 2.2  5, 7, 9, 11, 15, 21, 23, 29, 31, 33, 35, 37, 41, 45, 47, 49, 55, 57  
Section 2.3  1, 5, 9, 15, 19, 23, 25, 27, 29, 33, 35, 37  
Section 3.1  1, 7, 9, 13, 15, 17, 21, 31,33, 35, 38(a), 39  
Section 3.2  3, 5, 7, 13, 15, 23, 27  
Section 3.3  1, 3, 9, 11, 13, 15, 21, 25, 27, 31, 33, 35, 39, 23, 53, 55, 57, 61, 63  
Section 3.5  3, 7, 11, 15, 19, 23, 29, 31, 37, 39, 41, 45,49, 51,55
 
Section 3.6  20, 22, 24, 36, 38  only rotations, reflections and projections 
Complex numbers  
Section 4.1 
5, 7, 11, 13, 21, 23, 27, 29, 37 

Section 4.2 
8, 10, 12, 14, 38, 46, 48, 50  
Section 4.3 
1, 3, 5, 7, 9, 11, 15, 19, 23, 40  
Section 4.4 
1, 3, 7, 915, 19, 21, 25, 39  
Section 5.1 
3, 5, 7, 9, 13, 15, 17, 19, 21, 29, 31  Only check for rotations in Ex. 29 and 31 
Section 5.2 
1, 3, 5, 7, 9, 11, 13, 17, 21  
Section 5.3 
1, 3, 5, 7, 9, 11, 13 
no QR factorization 
Section 5.4 
3, 5, 9, 13, 17, 21,23 