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20 questions
Is the following graph complete?
Yes
No
In the graph above, which of the following statements is true?
A is adjacent to E
A is not adjacent to D
C is adjacent to D
C is not adjacent to E
Using the following tournament information, construct a directed graph and find a ranking of the participants:
Between A and B, A wins
Between A and C, C wins
Between A and D, D wins
Between B and C, C wins
Between B and D, D wins
Between C and D, C wins
1st place: A, 2nd place: B, 3rd place: C, 4th place: D
1st place: B, 2nd place: A, 3rd place: D, 4th place: C
1st place: C, 2nd place: D, 3rd place: A, 4th place: B
1st place: D, 2nd place: C, 3rd place: B, 4th place: A
In how many colors can you color this picture, following the rules of the 4 color theorem?
1
2
3
4
What is the chromatic number of the graph?
1
2
3
4
Allie's bridesmaids are throwing her a bridal shower in a month, and they have several tasks to complete beforehand. The tasks, times and prerequisites are organized in the chart above. Will they finish in time, if the month is 30 days long?
Yes, and they will have 4 days to spare.
No, they will be 4 days late.
Yes, they will be exactly on time.
Yes, and they will have 17 days to spare.
A bipartite graph has two distinct groups where ...
All vertices in Group 1 are connected to all vertices of Group 2
No Vertices in either group connecting to members of their own group
contains no isolated vertices
must have members of Group 1 above the members of Group 2
Vertex
a line connecting two vertices
a point
an edge
an edge that starts and ends at the same vertex
Adjacent vertices
are connected to every other vertex in the graph
are connected by at least one edge
are in a loop together
make a multigraph
A loop is when
there is a path going from a vertex back to itself
An edge that starts and ends at the same vertex
if it were removed, the graph would be disconnected
connects two vertices to each other
A path is
an edge that starts and ends at the same vertex
a connection between two vertices
a series of consecutive edges in which no edge is repeated
a complete graph
A graph is connected if
Each vertex can reach any other vertex
each vertex is adjacent to every other vertex
All the vertices are odd
the length of all the edges are equal
A graph is complete if
every vertex is adjacent to every other vertex
it contains at least one loop
it has an Euler path
it has an Euler circuit
The degree of a vertex is
also called the order or valence
the number of loops
is the number of edges that connect to that vertex
how many times it can be part of a path
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