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Functions and relations

Authored by Sheila Esposito

Mathematics

9th Grade

CCSS covered

Used 7+ times

Functions and relations
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

1. Let 𝐹 be a set of ordered pairs such that {(−3,5),(3,0),(2,2)}. Which of the following statements about the relation is true?

The relation is a function because no value in the domain goes to multiple values in the range.

The relation is a function because all values in the range are different.

The relation is not a function because one value in the domain goes to multiple values in the range.

The relation is not a function because there is an ordered pair where the domain is equal to the range.

Tags

CCSS.8.F.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Which choice also represents the relation shown in the sets below as correct ordered pairs?

{(1,2),(2,4)}

{(2,1),(4,2),(6,2)}

{(1,2),(2,4),(2,6)}

{(2,2),(2,4),(2,6)}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Is the relation above a function?

Yes, because it doesn’t show any repeating 𝑥 values in the domain.

Yes, because every 𝑦 value in the range is different.

No, because one 𝑥 value in the domain goes to multiple different 𝑦 values in the range.

No, because there is an 𝑥 value in the domain that is equal to a 𝑦 value in the range.

Tags

CCSS.8.F.A.1

4.

OPEN ENDED QUESTION

30 sec • 5 pts

Media Image

Do you think the graph below is or is not a function. Explain why you believe your answer is correct.

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5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

The numbers (3, 4) represent a(n) _____.

x-coordinate

x-axis

y-coordinate

y-axis

ordered pair

Tags

CCSS.5.G.A.1

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

In the ordered pair (3, 4), 3 represents a(n) _____.

x-coordinate

x-axis

y-coordinate

y-axis

ordered pair

Tags

CCSS.5.G.A.1

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is the definition of function?

Has inputs and outputs
Every input has only ONE output
Inputs have different outputs every time
x-values and y-values

Tags

CCSS.8.F.A.1

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