What is the key characteristic of a function?

Identifying Functions from Various Representations

Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Medium

Amelia Wright
Used 7+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Each y value can be paired with multiple x values.
Each x value can be paired with multiple y values.
Each y value can be paired with only one x value.
Each x value can be paired with only one y value.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the first table, why is it considered a function?
Because all y values are the same.
Because all x values are different.
Because all x values are the same.
Because all y values are different.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the second table not considered a function?
Because it has more y values than x values.
Because it has more x values than y values.
Because the same x value is paired with different y values.
Because the same y value is paired with different x values.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the first set of points, why is it considered a function?
Because all y values are the same.
Because all x values are different.
Because all y values are different.
Because all x values are the same.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the second set of points not considered a function?
Because all y values are the same.
Because the same x value is paired with different y values.
Because the same y value is paired with different x values.
Because all x values are different.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the vertical line test used for?
To determine if a table is a function.
To determine if a graph is a function.
To determine if a mapping diagram is a function.
To determine if a set of points is a function.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the first graph, why is it considered a function?
Because the vertical lines touch the graph more than once.
Because the vertical lines touch the graph twice.
Because the vertical lines do not touch the graph.
Because the vertical lines touch the graph only once.
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