Search Header Logo
Understanding Functions and Ordered Pairs

Understanding Functions and Ordered Pairs

Assessment

Interactive Video

Mathematics, English, Science

8th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

The video tutorial introduces eighth-grade students to mapping diagrams, focusing on how to identify ordered pairs from these diagrams. It explains the concept of input and output values, represented as x and y coordinates, respectively. Through examples, the tutorial demonstrates how to list ordered pairs and determine if a relation is a function, emphasizing that each input should have exactly one output for it to be considered a function.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of a mapping diagram?

To display a list of numbers

To calculate the sum of inputs

To solve algebraic equations

To show the relationship between inputs and outputs

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a mapping diagram, what does the input column represent?

The difference between x and y

The sum of x and y

The y-value

The x-value

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are ordered pairs written in a mapping diagram?

x, y

y - x

y, x

x + y

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the ordered pair for an input of 3 and an output of 9?

(3, 3)

(9, 9)

(9, 3)

(3, 9)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If an input has multiple outputs, what does this indicate about the relation?

It is a quadratic equation

It is a linear equation

It is not a function

It is a function

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the ordered pair for an input of 2 with outputs of 1 and -2?

(2, 1) and (2, -2)

(1, 1) and (-2, -2)

(2, 2) and (1, -2)

(1, 2) and (-2, 2)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What defines a function in terms of inputs and outputs?

Each input has exactly one output

Each output has exactly one input

Inputs and outputs are equal

Inputs and outputs are different

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?