Identify Functions

Flashcard
•
Mathematics
•
8th - 9th Grade
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
DOES THIS GRAPH REPRESENT A FUNCTION?
Back
A graph represents a function if every input (x-value) has exactly one output (y-value). If a vertical line intersects the graph at more than one point, it is not a function.
2.
FLASHCARD QUESTION
Front
IS THE FOLLOWING A FUNCTION?
Back
To determine if a relation is a function, check if each input has a unique output. If any input corresponds to multiple outputs, it is not a function.
Tags
CCSS.8.F.A.1
3.
FLASHCARD QUESTION
Front
IS THIS EQUATION A FUNCTION? (CLUE: PLUG IN 2 FOR X AND SEE IF YOU GET THE SAME ANSWER EACH TIME)
Back
An equation is a function if substituting the same x-value always yields the same y-value. If different x-values yield the same y-value, it may still be a function.
Tags
CCSS.8.F.A.1
4.
FLASHCARD QUESTION
Front
DOES THE TABLE REPRESENT A FUNCTION?
Back
A table represents a function if each input (x-value) corresponds to exactly one output (y-value). If any x-value has multiple y-values, it is not a function.
Tags
CCSS.8.F.A.1
5.
FLASHCARD QUESTION
Front
IS THE FOLLOWING NOT A FUNCTION?
Back
A relation is not a function if there exists at least one input that corresponds to multiple outputs.
Tags
CCSS.8.F.A.1
6.
FLASHCARD QUESTION
Front
Definition of a Function
Back
A function is a relation that assigns exactly one output for each input.
Tags
CCSS.8.F.A.1
7.
FLASHCARD QUESTION
Front
Vertical Line Test
Back
A method to determine if a graph represents a function. If a vertical line crosses the graph more than once, it is not a function.
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