Chromatic Number: Definition & Examples


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question 1 of 3

Which of the following statements is NOT true?

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1. What is the chromatic number of a graph?

2. Why is the coloring of the graph of shown not a proper coloring?

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About This Quiz & Worksheet

Quickly measure your understanding of what chromatic numbers are and how they are used with this brief quiz/worksheet combo. Try taking the quiz before reviewing the lesson to see what you know and again after studying it to find out what you retained from it.

Quiz & Worksheet Goals

When you take this quiz, you will be expected to:

  • Differentiate between true and false statements about the coloring of a graph
  • Define the chromatic number of a graph
  • Explain why the coloring of a sample graph is not a proper coloring
  • Identify the chromatic number of a graph in given examples

Skills Practiced

  • Defining key concepts - ensure that you can accurately define the chromatic number of a graph
  • Information recall - access the knowledge you've gained regarding the improper coloring of a graph
  • Knowledge application - use your knowledge to answer true/false questions about the coloring of a graph

Additional Learning

Refer to the lesson titled Chromatic Number: Definition & Examples to get more details about this topic. This lesson will teach you more about:

  • What the dots and lines of a graph are called
  • What happens when less than three colors are used
  • The smallest number of colors needed to produce a proper coloring of a graph