Consider the following graphs.
Which of these graphs is a tree?
Why is the following graph not a tree?
It is disconnected.
It has a loop.
It has multiple edges connecting the same vertices.
it has a cycle.
Why is the following graph not a tree?
It has a loop.
It is disconnected.
It has a cycle.
It has multiple edges connecting the same vertices.
Consider the following graphs.
Given the following networks:
In graph theory terms, what is a tree?