Identifying Functions from tables, mappings, and ordered pairs

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•
Mathematics
•
8th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a function in mathematics?
Back
A function is a relation that assigns exactly one output (y-value) for each input (x-value).
Tags
CCSS.8.F.A.1
2.
FLASHCARD QUESTION
Front
How can you determine if a relation is a function from a set of ordered pairs?
Back
A relation is a function if no x-value is repeated with different y-values.
Tags
CCSS.8.F.A.1
3.
FLASHCARD QUESTION
Front
What does it mean for a mapping to represent a function?
Back
A mapping represents a function if each input is associated with exactly one output.
Tags
CCSS.8.F.A.1
4.
FLASHCARD QUESTION
Front
What is an example of a relation that is not a function?
Back
The relation {(1, 2), (1, 3)} is not a function because the x-value 1 has two different y-values.
Tags
CCSS.8.F.A.1
5.
FLASHCARD QUESTION
Front
What is the vertical line test?
Back
The vertical line test states that if a vertical line intersects a graph at more than one point, the graph does not represent a function.
6.
FLASHCARD QUESTION
Front
In the context of functions, what is a domain?
Back
The domain of a function is the set of all possible input values (x-values) for that function.
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
7.
FLASHCARD QUESTION
Front
What is a range in relation to functions?
Back
The range of a function is the set of all possible output values (y-values) that the function can produce.
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
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