

Functions - What Are They?
Presentation
•
Mathematics
•
8th Grade
•
Medium
Standards-aligned
S McClean
Used 13+ times
FREE Resource
12 Slides • 9 Questions
1
Functions - What Are They?
Nov 03, 2020
2
Connect 4 READY
Camera on (seeing top of head/background)
Mic muted
Have outs: - notebook, calculator, pencil
Liked READY GIF in class chat
3
Announcements
Unit 3 Exam on Friday!
Review Day tomorrow! (Don't miss it!)
4
At the end of class I will know
What is a function?
What is meant by input and output?
How to identify a function!
5
So what is a function, listen up....
6
Multiple Choice
A function is a relationship
where every input value (x - value) has ONLY ONE output value (y - value)
where inputs (x-values) can have more than one output (y-value)
7
So what do functions look like?
8
Graphs
MUST PASS the Vertical Line Test!
9
Fill in the Blanks
_ are functions because they pass the Vertical Line Test.
Type answer...
10
Tables
The input values (x values) CANNOT REPEAT!
11
Poll
This table is a function because every input has ONLY ONE output!
True
False
12
Mapping Diagrams
The input values (x values) CANNOT HAVE 2 ARROWS!
13
Open Ended
The mapping diagrams that are functions are
14
Ordered Pairs
The input values (x values) CANNOT REPEAT!
15
Multiple Choice
Which ordered pair is NOT a function?
A
B
C
D
16
17
Multiple Choice
If a graph FAILS the Vertical Line test it is a function.
True
False
I don't know
18
Open Ended
The table is a function, yes or no? _
19
Multiple Choice
Which ordered pair is a function?
A
B
C
D
20
Poll
This mapping diagram is a function.
True
False
21
ASYNC WORK TIME
Further Practice - Delta Math (CA REVIEW - Is It A Function?)
Exit Ticket - Schoology (11.04 What Are Functions Exit Ticket)
Stay on the call if: you need further help, don't have your DeltaMath account set up or don't know how to navigate Schoology
Functions - What Are They?
Nov 03, 2020
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