8.5g Identifying Functions
Presentation
•
Mathematics
•
8th Grade
•
Practice Problem
•
Easy
Standards-aligned
Jesus Saldana
Used 40+ times
FREE Resource
8 Slides • 8 Questions
1
8.5g Identifying Functions
By Jesus Saldana
2
Open Ended
What do we remember of finding if tables, graphs and charts are functions?
3
4
I Will, We Will , You Will Identify Functions Using Ordered Pairs, Tables, Mappings and Graphs
5
As previously mentioned, to find a function within ordered pairs; the X value can't repeat.
Can you find the which set in the diagram is not a function....Explain your answer.
Funtion and Ordered Pairs
6
Open Ended
Open Ended Questions:
Explain How you found out which one of the set or ordered pairs were function and which was not.
Give an example of ordered pairs that are a function to the best of your ability. Use the previous problem as an example to guide you.
7
To find a function within a table We must make sure that every X value has 1 Y value. If X has multiple values of Y, then it is not a function
Functions and Tables
8
Draw
Draw an example of a table that is not a function and with your partner (neighbor) how you would start in solving this problem.
9
For mappings to be a function....the input (x) must have only 1 output (y)
Is this mapping a function?
Functions and Mappings
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Graphing is a visual representation of a table or a set of ordered pairs.
To find if the graph is a function the x value must have only one y value
We must do a Vertical Line Test to confirm the graph is a function
Functions and graphs
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We use Vertical Line Test to make sure that the graphed function only intersects once with the vertical line.
If it intersects more than once, it cannot be a function
Vertical Line Test
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Multiple Select
Which of the graphs are examples of functions?
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Open Ended
How did you know from the previous answers, which ones were and were not functions?
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Multiple Choice
Find the set of ordered pairs that is a function.
A
B
C
D
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Poll
How comfortable are you with understanding how to find a function within the various mediums we saw today (Graphing, Tables, Mapping, Ordered Pairs)?
Very Much Ready
Ready but nervous
Somewhat But I Still need guidance
Can we redo, Teacher?
16
Open Ended
If you are having difficulty with the lesson, what part of the lesson would you like for me to revise or adjust to better help you understand?
8.5g Identifying Functions
By Jesus Saldana
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