Domain and Range

Domain and Range

Assessment

Flashcard

Mathematics

8th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the domain of a relation?

Back

The domain of a relation is the set of all possible input values (x-values) for which the relation is defined.

2.

FLASHCARD QUESTION

Front

What is the range of a relation?

Back

The range of a relation is the set of all possible output values (y-values) that result from the inputs in the domain.

3.

FLASHCARD QUESTION

Front

How can you determine if a graph represents a function?

Back

You can determine if a graph represents a function by using the vertical line test: if a vertical line intersects the graph at more than one point, it is not a function.

4.

FLASHCARD QUESTION

Front

Given the relation {(2, 140), (5, 350), (14, 960)}, what is the domain?

Back

The domain is {2, 5, 14}.

5.

FLASHCARD QUESTION

Front

Given the relation {(1, 5), (3, 7), (6, 8), (8, 9), (3, 4)}, what is the domain?

Back

The domain is {1, 3, 6, 8}.

6.

FLASHCARD QUESTION

Front

What does it mean for a relation to be a function?

Back

A relation is a function if each input (x-value) is associated with exactly one output (y-value).

7.

FLASHCARD QUESTION

Front

What is an example of a set that represents a domain?

Back

An example of a domain could be the set of integers {1, 2, 3, 4}.

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