5-1 Understand Relations and Functions

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8th Grade

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Bills, Melanie

Used 10+ times

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5 Slides • 8 Questions

Chapter 5
Lesson 1

Understanding Relations & Functions

Match

Match the following

A __________ is any set of ordered pairs, and can be represented as a table or as a graph.

The_________ of the relation is the set of x-coordinates.

The _______ of the relation is the set of the y-coordinates.

A _______ is a relation in which every member of the domain is paired with

exactly one member of the range.

relation

domain

Range

Function

Multiple Choice

A relation is shown in the table below where x represents the independent variable and y represent the dependent variable. Decide whether the table can represent a function or cannot represent a function.

The table cannot represent a function

The table can represent a function

Multiple Choice

Identify the domain and range for the relation.

{(3,8), (2,3), (1,0), (0,-1), (-1,0)}

Domain: -1...3

Range: -1...8

Domain: {-1, 0, 3, 8}

Range: {-1, 0, 1, 2, 3}

Domain: -1...8

Range: -1...3

Domain: {-1, 0, 1, 2, 3}

Range: {-1, 0, 3, 8}

Multiple Choice

There is NO repeating of x values in a function

True

False

Independent Variable:a variable (often denoted by x ) whose

variation does not depend on that of another.

Dependent Variable: a variable (often denoted by y ) whose
value depends on that of another.

The domain is the ____Independent ____ variable b/c it can be any value.
The range is the

_Dependent_ variable because it _represents all possible values of y.

REVIEW TIME

Multiple Select

Determine which of the following points are a solution(s) of the given system of equations.

2𝑥 − 8 = y and − 𝑥 + 1 = y

(2, 2)

(3,2)

(0, 2)

(3,−2)

(3,3)

Multiple Choice

A linear relationship is given in the table below. Determine the slope of the relationship.

-9

-1/9

1/9

Multiple Choice

An equation is given. 𝑥² = 49 What are the values of 𝑥?

6, -7

6, -6

7, -7

7, -8

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Chapter 5
Lesson 1

Understanding Relations & Functions

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