8.32 Chapter 4. Qualitative theory of differential equations. Section 4.7 (Phase portraits of linear systems). Page 427

8.32.1 problem 1
8.32.2 problem 2
8.32.3 problem 3
8.32.4 problem 4
8.32.5 problem 5
8.32.6 problem 6
8.32.7 problem 7
8.32.8 problem 8
8.32.9 problem 9
8.32.10 problem 10