Is it a Function?

Is it a Function?

Assessment

Flashcard

Mathematics

8th - 9th Grade

Practice Problem

Hard

CCSS
8.F.A.1, HSF.IF.A.1

Standards-aligned

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the vertical line test?

Back

The vertical line test is a method used to determine if a graph represents a function. If any vertical line intersects the graph at more than one point, the graph does not represent a function.

2.

FLASHCARD QUESTION

Front

What defines a function in mathematics?

Back

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

Tags

CCSS.8.F.A.1

3.

FLASHCARD QUESTION

Front

What is a mapping in the context of functions?

Back

A mapping is a way to describe how each element in one set (domain) is paired with an element in another set (range). A mapping is a function if every input has a single output.

Tags

CCSS.8.F.A.1

4.

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 (x-value) is associated with more than one output (y-value).

Tags

CCSS.8.F.A.1

5.

FLASHCARD QUESTION

Front

How can you determine if a graph is a function?

Back

You can determine if a graph is a function by using the vertical line test. If a vertical line crosses the graph more than once, it is not a function.

6.

FLASHCARD QUESTION

Front

What is an example of a function?

Back

An example of a function is the equation y = 2x + 3, where each x-value corresponds to exactly one y-value.

Tags

CCSS.8.F.A.1

7.

FLASHCARD QUESTION

Front

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

Back

An example of a relation that is not a function is the set of points {(1, 2), (1, 3)}, where the input 1 is associated with two different outputs.

Tags

CCSS.8.F.A.1

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