Is it a function?

Is it a function?

Assessment

Flashcard

Mathematics

8th Grade

Hard

CCSS
8.F.A.1, HSF.IF.A.2, 8.F.B.4

+2

Standards-aligned

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a function?

Back

A function is a relation where each input has exactly one output.

Tags

CCSS.8.F.A.1

2.

FLASHCARD QUESTION

Front

What is the vertical line test?

Back

A method to determine if a graph represents a function; if a vertical line crosses the graph more than once, it is not a function.

3.

FLASHCARD QUESTION

Front

What does it mean for a relation to be not a function?

Back

A relation is not a function if at least one input is associated with more than one output.

Tags

CCSS.8.F.A.1

4.

FLASHCARD QUESTION

Front

Can a function have the same output for different inputs?

Back

Yes, a function can have the same output for different inputs, as long as each input has only one output.

Tags

CCSS.8.F.A.1

5.

FLASHCARD QUESTION

Front

What is an example of a function?

Back

The equation y = 2x + 3 is a function because for every x, there is exactly one y.

Tags

CCSS.HSF.IF.A.2

6.

FLASHCARD QUESTION

Front

What is an example of a relation that is not a function?

Back

The relation {(1, 2), (1, 3)} is not a function because the input 1 has two different outputs.

Tags

CCSS.8.F.A.1

7.

FLASHCARD QUESTION

Front

How can you tell if a mapping is a function?

Back

Check if each input is paired with only one output.

Tags

CCSS.8.F.A.1

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