
Identifying Functions: Key Concepts and Techniques
Interactive Video
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Jackson Turner
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the definition of a function in mathematics?
A relation where each input has multiple outputs
A relation where each output has one input
A relation where outputs are not dependent on inputs
A relation where each input has exactly one output
Tags
CCSS.8.F.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What characteristic of a relation defines it as a function?
One output for each input
No consistent relation between inputs and outputs
One input for multiple outputs
Multiple inputs for one output
Tags
CCSS.8.F.A.1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the relation with input 80 not considered a function?
All inputs produce multiple outputs
It produces different outputs for the same input
It does not produce any output
It produces the same output for different inputs
Tags
CCSS.8.F.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of input 3 in the second relation?
No output
Output 2
Output 7
Output 3
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What error does the input of 80 highlight in the first example?
It indicates all outputs are zero
It shows the relation is not a function
It suggests inputs are irrelevant
It shows the relation is a function
Tags
CCSS.8.F.A.1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the arrow diagram in example three illustrate about functions?
It shows a function with unique outputs for each input
It shows a non-function due to multiple outputs for a single input
It shows that no inputs have associated outputs
It shows that all outputs are the same for different inputs
Tags
CCSS.8.F.A.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does an input of 34 demonstrate in the arrow diagram example?
It is unrelated to function determination
It indicates a non-function due to multiple outputs
It shows a lack of outputs
It confirms the relation as a function
Tags
CCSS.8.F.A.1
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