Abdullah - Functions Flashcard
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a function?
Back
A function is a relation where each input (x-value) has exactly one output (y-value).
2.
FLASHCARD QUESTION
Front
What does it mean for a relation to be a function?
Back
A relation is a function if no x-value is paired with more than one y-value.
3.
FLASHCARD QUESTION
Front
What is the vertical line test?
Back
The vertical line test is a method 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 is a repeated x-value in a function?
Back
A repeated x-value occurs when the same input (x) is associated with more than one output (y), which means the relation is not a function.
5.
FLASHCARD QUESTION
Front
What is a repeated y-value in a function?
Back
A repeated y-value means that the same output (y) can be associated with different inputs (x). This does not affect whether the relation is a function.
6.
FLASHCARD QUESTION
Front
How can you determine if a table represents a function?
Back
Check if any x-values are repeated. If they are, the table does not represent a function.
7.
FLASHCARD QUESTION
Front
What does it mean if a graph passes the vertical line test?
Back
If a graph passes the vertical line test, it means that for every x-value, there is only one corresponding y-value, confirming it is a function.
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