Give the domain and range. Tell if it is a function.

D: {-4, -2, 0, 2} R: {-2, 1} Function

D: {-4, -2, 0, 2} R: {-2, -2, 1, 1} Function

D: {-4, -2, 0, 2} R: {-2, -2, 1, 1} Not a Function

D: {-4, -2, 0, 2} R: {-2, 1} Not a Function

How do you determine if a relation is a function?

The vertical line test crosses only one point on the graph.

The vertical line test crosses more than one point on the graph.

The same y-values are mapped from the same x-values.

Each input is related to more than one output.

Is this a function? Explain.

Yes; it passes the vertical line test.

Yes; it passes the horizontal line test.

No; there is a line connecting the dots.

Function or Not?

Quiz

•

Mathematics

•

8th Grade

•

Practice Problem

•

Medium

•

CCSS

8.F.A.1, HSF.IF.A.1, 8.F.B.5

Standards-aligned

Marisa Johnson

Used 315+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

CCSS.HSF.IF.A.1

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Function

Not a Function

Tags

CCSS.8.F.A.1

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Is this mapping a function or not a function?

Function

Not a Function

Tags

CCSS.8.F.A.1

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Is this table a function or not a function?

Function

Not a Function

Tags

CCSS.8.F.A.1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Is this table a function or not a function?

Function

Not a Function

Tags

CCSS.8.F.A.1

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which set of values is a function?

(9,5) (10,5) (9,-5) (10,-5)

(3,4) (4,-3) (7,4) (3, 8)

(6,-5) (7, -3) (8, -1) (9, 1)

(2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

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