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Question 1 of 6
Find the number of vertices and edges.
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A vertex is a point or node that is connected within a network.
An edge is a line that connects one or more vertices in a network.
First, count the vertices that are marked as points in the image.
There are 2 points. Therefore, this shape has 2 vertices.
Next, find the number of edges by counting the lines with both ends connected by vertices.
Notice that the circle on the right starts from a vertex and goes around back to the same vertex. That still counts as an edge.
There are 4 lines with both ends connected to vertices. Therefore, this shape has 4 edges.
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Question 2 of 6
Find the number of vertices and edges.
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A vertex is a point or node that is connected within a network.
An edge is a line that connects one or more vertices in a network.
First, count the vertices that are marked as points in the image.
There are 9 points. Therefore, this shape has 9 vertices.
Next, find the number of edges by counting the lines with both ends connected by vertices.
There are 12 lines with both ends connected to vertices. Therefore, this shape has 12 edges.
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Question 3 of 6
Find the number of vertices and edges.
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A vertex is a point or node that is connected within a network.
An edge is a line that connects one or more vertices in a network.
First, count the vertices that are marked as points in the image.
There are 5 points. Therefore, this shape has 5 vertices.
Next, find the number of edges by counting the lines with both ends connected by vertices.
There are 6 lines with both ends connected to vertices. Therefore, this shape has 6 edges.
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Question 4 of 6
Find the number of vertices and edges.
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A vertex is a point or node that is connected within a network.
An edge is a line that connects one or more vertices in a network.
First, count the vertices that are marked as points in the image.
There are 5 points. Therefore, this shape has 5 vertices.
Next, find the number of edges by counting the lines with both ends connected by vertices.
There are 7 lines with both ends connected to vertices. Therefore, this shape has 7 edges.
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Question 5 of 6
Find the number of vertices and edges.
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0:00
A vertex is a point or node that is connected within a network.
An edge is a line that connects one or more vertices in a network.
First, count the vertices that are marked as points in the image.
There are 4 points. Therefore, this shape has 4 vertices.
Next, find the number of edges by counting the lines with both ends connected by vertices.
There are 7 lines with both ends connected to vertices. Therefore, this shape has 7 edges.
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Question 6 of 6
Find the number of vertices and edges.
Incorrect
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0:00
A vertex is a point or node that is connected within a network.
An edge is a line that connects one or more vertices in a network.
First, count the vertices that are marked as points in the image.
There are 9 points. Therefore, this shape has 9 vertices.
Next, find the number of edges by counting the lines with both ends connected by vertices.
There are 14 lines with both ends connected to vertices. Therefore, this shape has 14 edges.
