What is the definition of a function in mathematics?

Identifying Functions: Key Concepts and Techniques

Interactive Video
•
Mathematics
•
6th - 8th Grade
•
Hard

Aiden Montgomery
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A rule that does not require any inputs
A rule that assigns multiple outputs to one input
A rule that assigns each input exactly one output
A rule that assigns outputs randomly
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the vertical line test?
To determine if a graph is a straight line
To check if each x-value maps to multiple y-values
To verify if a graph represents a function by intersecting it at exactly one point
To ensure all lines are vertical on the graph
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean if a graph passes the vertical line test?
It only contains horizontal lines
It does not intersect the line at all
It intersects the line at multiple points
It intersects the line at exactly one point per line drawn
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a mapping diagram, what indicates that it does not represent a function?
The diagram includes only one x-value
All arrows point in the same direction
More than one arrow leaves from an x-value
Each x-value connects to exactly one y-value
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which scenario describes a function using a mapping diagram?
Each x-value has exactly one line connecting to a y-value
All lines in the diagram are parallel
No lines connect any x-values to y-values
An x-value with multiple lines leading to different y-values
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can mapping diagrams be converted for easier analysis?
By rearranging the x-values alphabetically
By removing all y-values
By converting them into sets of ordered pairs
By drawing more lines
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you confirm a set of ordered pairs represents a function?
By confirming all pairs are in ascending order
By ensuring no x-value is repeated
By checking if y-values are all different
By making sure there are at least two pairs
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