Relations and Functions

Flashcard
•
Mathematics
•
8th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a relation in mathematics?
Back
A relation is a set of ordered pairs, where each pair consists of an input (or domain) and an output (or range).
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
2.
FLASHCARD QUESTION
Front
What defines a function?
Back
A function is a special type of relation where each input is associated with exactly one output.
Tags
CCSS.8.F.A.1
3.
FLASHCARD QUESTION
Front
How can you determine if a relation is a function?
Back
A relation is a function if no input value corresponds to more than one output value.
Tags
CCSS.8.F.A.1
4.
FLASHCARD QUESTION
Front
What is an ordered pair?
Back
An ordered pair is a pair of elements (x, y) where 'x' is the first element (input) and 'y' is the second element (output).
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
5.
FLASHCARD QUESTION
Front
What does it mean for a relation to not be a function?
Back
A relation is not a function if at least one input is associated with multiple outputs.
Tags
CCSS.8.F.A.1
6.
FLASHCARD QUESTION
Front
Can a function have the same output for different inputs?
Back
Yes, a function can have the same output for different inputs, as long as each input has only one output.
Tags
CCSS.8.F.A.1
7.
FLASHCARD QUESTION
Front
What is the domain of a function?
Back
The domain of a function is the set of all possible input values (x-values) that the function can accept.
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