Math Problem Statement
Is there a graph on 6 vertices with degrees 2, 3, 4, 5, 6, 7?
Question 1Select one:
False
True
Solution
The statement is False.
Here’s why: In any graph, the degree of a vertex cannot exceed the number of vertices minus 1, because a vertex can only connect to at most other vertices in a graph with vertices.
In this case, you have 6 vertices. The highest possible degree for any vertex in a graph with 6 vertices is 5 (since it can be connected to the other 5 vertices). However, one of the specified degrees is 7, which is not possible because there aren’t enough vertices for a vertex to have 7 connections in a 6-vertex graph.
Would you like more details or have any questions? Here are some related questions:
- What is the degree sequence in graph theory?
- Can there be a graph where all vertices have the same degree?
- What is the sum of degrees of all vertices in a graph with 6 vertices?
- What is the maximum degree in a complete graph with vertices?
- How do we check if a given degree sequence is graphical?
Tip: In any graph with vertices, the sum of all degrees is always even due to the handshaking lemma.
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Math Problem Analysis
Mathematical Concepts
Graph Theory
Vertex Degree
Handshaking Lemma
Formulas
The maximum degree of a vertex in a graph is n - 1, where n is the number of vertices
Theorems
Handshaking Lemma
Graph Degree Sequence
Suitable Grade Level
Grades 9-12
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