What is the vertical line test used for?

Exploring Functions and Non-Functions

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Mathematics
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8th - 12th Grade
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Hard

Amelia Wright
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To find the slope of a line
To calculate the y-intercept
To determine if a graph is a function
To identify the domain of a function
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a vertical line intersects a graph more than once, what does it indicate?
The graph is linear
The graph is a function
The graph has no y-intercept
The graph is not a function
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the vertical line test, what does it mean if a vertical line intersects the graph only once?
The graph is not a function
The graph is quadratic
The graph is exponential
The graph is a function
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following graphs is not a function?
A graph with no intersections
A graph with a single straight line
A graph where some vertical lines intersect more than once
A graph where every vertical line intersects only once
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the key characteristic of x-values in a table for it to represent a function?
X-values must be integers
X-values must be positive
X-values must be negative
X-values must be unique
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If an x-value repeats in a table, what does it indicate?
The table does not represent a function
The table represents a function
The table is quadratic
The table is linear
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a table, which values are referred to as the domain?
X-values
Z-values
W-values
Y-values
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