1. Can Dijkstra’s Algorithm be modified in an obvious way to give the longest path in a graph? a). Yes b). No c). I have absolutely no idea

2. What is k(2K 3  N 3 )? 1 23456789

3. a b c d e f g h j i k m l p o n What is d(c,j)? 12345678

4. a b c d e f g h j i k m l p o n What is diam(G)? 1). 12). 23). 44). 5 5). 76). 87). 98). 10 9). 1110). 13

5. Given the statement of this theorem, which of the following are possible? 1). G and are both connected. 2). G and are both disconnected. 3). One is connected and one is disconnected. 4). 1 and 2 are possible. 5). 1 and 3 are possible. 6). 2 and 3 are possible. 7). All three are possible.

6. What is the first line of the proof? 1). Assume G is disconnected. 2). Assume is connected. 3). Assume if G is disconnected, then is connected. 4). Assume G and are connected.

7. What is the second line of the proof? 1). Assume there is a u-v path in G. 2). Assume is connected. 3). Assume if G is disconnected, then is connected. 4). Assume G and are connected. 5). Let u and v be any two vertices in.

8. a b c d e f g h j i k m l p o n How many cut-vertices does G have? 12345678

9. a b c d e f g h j i k m l p o n How many bridges does G have? 12345678

10. How many bridges does P 6 have? 12345678