Vertical Line Test

Flashcard
•
Mathematics
•
8th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Vertical Line Test?
Back
A method to determine if a graph represents a function. If any vertical line intersects the graph at more than one point, the graph is not a function.
2.
FLASHCARD QUESTION
Front
What does it mean for y to be a function of x?
Back
It means that for every value of x, there is exactly one corresponding value of y.
Tags
CCSS.8.F.A.1
3.
FLASHCARD QUESTION
Front
If a graph passes the Vertical Line Test, what can we conclude?
Back
The graph represents a function.
4.
FLASHCARD QUESTION
Front
If a graph does not pass the Vertical Line Test, what can we conclude?
Back
The graph does not represent a function.
5.
FLASHCARD QUESTION
Front
What is an example of a function?
Back
The equation y = 2x + 3 is a function because for every x, there is one unique y.
Tags
CCSS.8.F.A.1
6.
FLASHCARD QUESTION
Front
What is an example of a relation that is not a function?
Back
The equation x^2 + y^2 = 1 is not a function because a vertical line can intersect it at two points.
7.
FLASHCARD QUESTION
Front
What is the definition of a function?
Back
A relation where each input (x) has exactly one output (y).
Tags
CCSS.8.F.A.1
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