Functions, Functions, 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 function?
Back
A function is a relation where each input (x-value) has exactly one output (y-value).
Tags
CCSS.8.F.A.1
2.
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.
3.
FLASHCARD QUESTION
Front
What does it mean if a relation is not a function?
Back
A relation is not a function if at least one x-value is paired with more than one y-value.
Tags
CCSS.8.F.A.1
4.
FLASHCARD QUESTION
Front
Give an example of a function using ordered pairs.
Back
(2, 3), (3, 5), (4, 7) is a function because each x-value is unique.
Tags
CCSS.8.F.A.1
5.
FLASHCARD QUESTION
Front
Give an example of a relation that is not a function using ordered pairs.
Back
(1, 2), (1, 3), (2, 4) is not a function because the x-value 1 is paired with two different y-values.
Tags
CCSS.8.F.A.1
6.
FLASHCARD QUESTION
Front
What is a mapping diagram?
Back
A mapping diagram visually represents the relationship between inputs and outputs, showing how each input is paired with an output.
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
7.
FLASHCARD QUESTION
Front
What does it mean for a graph to pass 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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