Relations and Functions / Linear Functions

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•
Mathematics
•
7th - 9th Grade
•
Hard
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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 (x-value) and an output (y-value).
2.
FLASHCARD QUESTION
Front
What is a function?
Back
A function is a special type of relation where each input (x-value) is associated with exactly one output (y-value).
3.
FLASHCARD QUESTION
Front
What is the vertical line test?
Back
The vertical line test is a method used to determine if a graph represents a function. If a vertical line intersects the graph at more than one point, it is not a function.
4.
FLASHCARD QUESTION
Front
What does it mean for a relation to be a function?
Back
For a relation to be a function, each x-value must correspond to only one y-value.
5.
FLASHCARD QUESTION
Front
Give an example of a function.
Back
An example of a function is the relation {(1, 2), (2, 3), (3, 4)}.
6.
FLASHCARD QUESTION
Front
Give an example of a relation that is not a function.
Back
An example of a relation that is not a function is the relation {(1, 2), (1, 3)}.
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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