
Mastering the Vertical Line Test for Functions

Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Easy
Standards-aligned

Emma Peterson
Used 2+ times
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the vertical line test help determine?
If a graph is symmetrical
If a relation is a function
If a graph has a maximum point
If a graph is linear
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important that a vertical line only touches one point on the graph?
Because it means the x-values are unique
Because it shows the graph is decreasing
Because it shows the graph is continuous
Because it indicates the graph is increasing
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How should you position your pen or pencil to perform the vertical line test?
In a circular motion
Diagonally across the graph
Vertically straight up and down
Horizontally across the graph
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you observe when moving the vertical line across the graph?
If the line touches the graph at the lowest point
If the line touches the graph at multiple points simultaneously
If the line touches the graph at the highest point
If the line touches the graph at the midpoint
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the first example, why is the graph considered a function?
Because the graph is a curve
Because the graph is a straight line
Because the vertical line touches the graph at only one point at a time
Because the vertical line touches the graph at multiple points
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the second example, why is the graph not considered a function?
Because the vertical line touches the graph at only one point
Because the graph is a curve
Because the graph is a straight line
Because the vertical line touches the graph at multiple points
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean if a vertical line touches a graph in more than one spot?
The graph is symmetrical
The graph is linear
The graph is not a function
The graph is a function
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