### Math 250 Homework Assignments

• HW A Write a short (at most one page) introduction of yourself, including your background in both mathematics and computer science, why you are taking this course, and what you hope to learn in this course. Submit this via Moodle. (You will need to join the MATH250 class on Moodle.)
• HW 1 (1.1 - 1.3)
• Section 1.1: 2, 4, 8, 10, 14, 18, 20, 30, 34 (62 points)
• Section 1.2: 4, 14, 20 (15 points)
• HW 2 (1.4 - 1.8)
• Section 1.4: 2, 4(7 points)
• Section 1.5: 2 (3 points)
• HW 3 (2.1 - 2.2)
• Section 2.1: 2, 12(2 points), 14(2points), 20 (11 points total)
• Section 2.2: 2, 4, 18a, 18b, 22 (19 points total)
• HW 4 (2.2 - 2.4)
• Section 2.3: 2, 10, 16 (10 points)
• HW 5 (5.1)
• Section 5.1: 2, 4, 32, 34
• HW 6 (5.2)
• Section 5.2: 2, 4, 8, 12
• HW 7
• Section 6.1: 2, 6, 10, 32
• Section 6.2: 2, 4, 18
• Section 6.3: 2, 6, 8
• Section 6.4: 2b, 4, 12
• HW 8
• Prove that the total degree of any graph is even. (10 points)
• HW 9
• Prove that the number of edges in a complete graph with n vertices is given by (n(n-1)/2.