Day 63 - 8.PFA.2 Functions

Day 63 - 8.PFA.2 Functions

Assessment

Flashcard

Mathematics

8th Grade

Hard

CCSS
8.F.A.1, 5.G.A.1, HSF.IF.A.1

Standards-aligned

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a function in mathematics?

Back

A function is a relation that assigns exactly one output (y-value) for each input (x-value).

Tags

CCSS.8.F.A.1

2.

FLASHCARD QUESTION

Front

How can you determine if a set of points represents a function?

Back

A set of points represents a function if no x-value is repeated; each input must have a unique output.

Tags

CCSS.8.F.A.1

3.

FLASHCARD QUESTION

Front

What does it mean if a table has repeated x-values?

Back

If a table has repeated x-values, it does not represent a function because it violates the definition of a function.

Tags

CCSS.8.F.A.1

4.

FLASHCARD QUESTION

Front

What is the vertical line test?

Back

The vertical line test states that if a vertical line intersects a graph at more than one point, the graph does not represent a function.

5.

FLASHCARD QUESTION

Front

What should you check first when given a table of values to determine if it is a function?

Back

Check for repeated inputs (x-values) to see if any x-value corresponds to more than one y-value.

Tags

CCSS.8.F.A.1

6.

FLASHCARD QUESTION

Front

Can a function have the same y-value for different x-values?

Back

Yes, a function can have the same y-value for different x-values, as long as each x-value is unique.

Tags

CCSS.8.F.A.1

7.

FLASHCARD QUESTION

Front

What is an example of a non-function?

Back

A set of points like (1,2), (1,3) is a non-function because the x-value 1 is repeated with different y-values.

Tags

CCSS.8.F.A.1

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