Functions and Relations
Flashcard
•
Mathematics
•
6th - 12th Grade
•
Practice Problem
•
Hard
+1
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 a relation?
Back
A relation is a set of ordered pairs, which can include functions but does not require that each input has only one output.
Tags
CCSS.8.F.A.1
3.
FLASHCARD QUESTION
Front
How can you determine if a graph represents a function?
Back
A graph represents a function if any vertical line drawn through the graph intersects it at most once.
4.
FLASHCARD QUESTION
Front
What does the equation y = x + 5 represent?
Back
This equation represents a linear function where the output (y) increases by 1 for every increase of 1 in the input (x), starting from 5.
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
5.
FLASHCARD QUESTION
Front
What is the vertical line test?
Back
The vertical line test is a method to determine if a graph is a function by checking if any vertical line crosses the graph more than once.
6.
FLASHCARD QUESTION
Front
What is an example of a function?
Back
An example of a function is y = 2x + 3, where each x-value has one corresponding y-value.
Tags
CCSS.8.F.A.1
7.
FLASHCARD QUESTION
Front
What is an example of a relation that is not a function?
Back
An example of a relation that is not a function is {(1, 2), (1, 3)}, where the input 1 has two different outputs.
Tags
CCSS.8.F.A.1
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