Vertical Line Test and Functions

Vertical Line Test and Functions

Assessment

Interactive Video

Mathematics

8th - 9th Grade

Practice Problem

Hard

Created by

Liam Anderson

FREE Resource

The video tutorial explains how to determine if a graph represents a function using the vertical line test. It covers the definition of a function, representation through ordered pairs, mapping diagrams, and tables. The tutorial distinguishes between discrete and continuous graphs, explaining their domains and ranges. It demonstrates the vertical line test on various graphs, highlighting special cases like holes and vertical/horizontal lines, and clarifies common misconceptions.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a function in terms of input and output?

A relation with exactly one output for each input

A relation with no inputs

A relation with multiple outputs for each input

A relation with no outputs

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a way to represent functions?

Ordered pairs

Mapping diagrams

Tables of values

Bar charts

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the domain of a discrete graph?

All positive numbers

A set of specific x-values

All real numbers

All negative numbers

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the domain of a continuous graph typically represented?

As a set of specific points

As all real numbers

As only positive numbers

As only negative numbers

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the vertical line test determine?

If a graph is discrete

If a graph represents a function

If a graph is linear

If a graph is continuous

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if a vertical line intersects a graph at more than one point?

The graph is discrete

The graph is continuous

The graph is not a function

The graph is a function

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the context of the vertical line test, what is a 'hole' in a graph?

A point where the graph is linear

A point where the graph is undefined

A point where the graph is continuous

A point where the graph is discrete

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