Topic 3 Review Day 1

Presentation

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Mathematics

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8th Grade

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Practice Problem

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Medium

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CCSS

8.F.A.1, HSF.IF.A.2, 8.F.B.4

Standards-aligned

Nina Stark

Used 10+ times

FREE Resource

7 Slides • 5 Questions

Topic 3 Review Day 1

3-1 Relations and Functions

3-2 Linear Functions

3-1 Relations and Functions

What is a relationship
What is a function
What is the domain
What is the range

Quick Review

A function is a relationship in which every input, or element of the domain, is associated with exactly one output, or element of the range.

Multiple Choice

What is the domain and range of the relationship?

{(4,1),(2,3),(0,4),(5,3)}

Domain: {4,2,0,5}

Range: {1,3,4}

Domain: {1,3,4}

Range: {4,2,0,5}

Multiple Choice

Is this relationship a function? If so, is it one-to-one or many-to-one?

{(4,1),(2,3),(0,4),(5,3)}

No, the y value repeates

Yes, it is many-to-one

Yes, it is one-to-one

3-2 Linear Functions

Writing linear functions
Function notation
Evaluating Functions

Quick Review

A linear function is a function whose graph is a straight line. IT represents a linear relationship between two variables. A linear function written in function notation is f(x)=mx+b and f(x) is read "f of x"

Fill in the Blanks

Type answer...

Multiple Choice

Mo runs a graphic design business. She charges $0.16 per page and has a setup fee of $5.25. What linear function can be used to determine the cost of a project with x pages? How much would it cost for a project with 200 pages?

f(x) = 5.25x + 0.16 ; $1,050.16

f(x) = 0.16x + 5.25 ; $37.25

f(x) = 5.25x + 0.16 ; $52.66

f(x) = 0.16x + 5.25 ; $32

Poll

How are you feeling about linear functions and relationships?

I'm a pro for sho!

I'm starting to get it :)

Definitely need some more practice.

HELP!!!

Topic 3 Review Day 1

3-1 Relations and Functions

3-2 Linear Functions

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