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Determine Whether the Relation Is a Function

Authored by Anthony Clark

Mathematics

8th Grade

CCSS covered

Determine Whether the Relation Is a Function
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Using Desmos and the vertical line test, determine whether each relation qualifies as a function or not a function:

Relation A is a function. Relation B and C are not functions.

Relation A and B are functions. Relation C is not a function.

Relation B and C are functions. Relation A is not a function.

Relation A and C are functions. Relation B is not a function.

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A set of points of a relation is shown below with a missing value, k . 

Which of the following values of k would make the relation a function?

k=8

k=3

k=7

k=-5

Tags

CCSS.8.F.A.1

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Which of the following two values of k would result in the relation qualifying as not a function?

k=4

k=9

k=-7

k=2

k=3

Tags

CCSS.8.F.A.1

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Media Image

Which of the following two values of q would result in the relation qualifying as a function?

q=5

q=60

q=35

q=15

q=-3

Tags

CCSS.8.F.A.1

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Is this mapping a function or not a function? 

Function

Not a Function

Tags

CCSS.8.F.A.1

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Is the relation a function? Why.

Yes, because the x-value 11 has two y-values pair with it.

Yes, because each x-value has only one y-value paired with it.

No, because the x-value 11 has two y-values pair with it.

No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Is this graph a function or not a function? 

Function

Not a Function

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