unit 5 flashcard 1
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a function?
Back
A relation where each input (x-value) has exactly one output (y-value).
2.
FLASHCARD QUESTION
Front
What is the vertical line test?
Back
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
Which of the following is NOT a function? {(1,-5), (3,1), (-5,4), (4,-2)}; {(2,7), (3,7), (4,7), (5,8)}; {(1,-5), (-1,6), (1,5), (6,-3)}; {(3,-2), (5,-6), (7,7), (8,8)}
Back
{(1,-5), (-1,6), (1,5), (6,-3)}
4.
FLASHCARD QUESTION
Front
What does it mean if a relation is a function?
Back
Each input corresponds to one and only one output.
5.
FLASHCARD QUESTION
Front
If a vertical line touches a graph at more than one point, what does that indicate?
Back
The graph does not represent a function.
6.
FLASHCARD QUESTION
Front
What is the domain of a function?
Back
The set of all possible input values (x-values) for the function.
7.
FLASHCARD QUESTION
Front
What is the range of a function?
Back
The set of all possible output values (y-values) for the function.
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