
Alg2 Lesson 3.5: A Field Guide to Polynomial Functions
Presentation
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Medium
Standards-aligned
Monica Ramirez
Used 1+ times
FREE Resource
19 Slides • 13 Questions
1
Lesson 3.5: A Field Guide to
Polynomial Functions
Obj: I can identify key features of a polynomial
function.
EQ: How do I describe characteristics of polynomial
functions?
2
Roles:
Facilitator
Scribe
Resourcer
Includer
Lesson Goals:
● Creative Thinking
● Talk through controversies and conflict
● Recognize and reduce ambiguity
● Encourage thinking based on formulas and prior info
● Help explain ideas to each other
● Own your ideas and work
● Record ideas in your journal
● Answer Questions on Slides
● Follow your team roles
3
Facilitator
• Make sure that all peers are staying on task.
• Give advice or suggestions to resolve the problem.
• Be sure everyone is able to explain.
4
Scribe
• Make sure peers organize their results on their own papers.
• Remind peers to use color, arrows, and other math tools to
communicate your mathematics, reasons, and connections.
• Be ready to join the teacher for a huddle.
5
Resourcer
• Make sure peers are getting the materials needed.
• Make sure that all materials are put away neatly.
• Make sure that peers are logged in to the needed site.
• Help troubleshoot any technology difficulties that may arise.
6
Includer
• Make sure that all peers are talking about their work.
• Helps keep peers’ voice volume low.
• Encourages everyone to ask questions.
• Communicates conflicts or questions to the teacher.
7
● Check off tasks & skills on calendar.
● Select skills to work on.
● Work on Deltamath.
Remember to work on the following too…
8
Part 1: Card Sort Activity
10
Match
Match each graph and formula.
f(x) = -x2 - 2x - 6
f(x) = -2x3-4x2+5
f(x) = 1/20(x-3)(x+4)(x-5)
f(x) = (x+3)(x+2)2(x+5)
f(x) = -x2 - 2x - 6
f(x) = -2x3-4x2+5
f(x) = 1/20(x-3)(x+4)(x-5)
f(x) = (x+3)(x+2)2(x+5)
11
Fill in the Blanks
What is the lowest possible degree of this function?
12
Multiple Choice
What is the end behavior of this graph?
Down, Down
Up, Up
Up, Down
Down, Up
y = -5
13
Drag and Drop
Zeros:
Y-int:
14
Fill in the Blanks
What is the lowest possible degree of this function?
15
Multiple Choice
What is the end behavior of this graph?
Down, Down
Up, Up
Up, Down
Down, Up
y = 1
16
Drag and Drop
Y-int:
17
Fill in the Blanks
What is the lowest possible degree of this function?
18
Multiple Choice
What is the end behavior of this graph?
Down, Down
Up, Up
Up, Down
Down, Up
y = 5
19
Drag and Drop
Zeros:
Y-int:
Multiplicities:
20
Fill in the Blanks
What is the lowest possible degree of this function?
21
Multiple Choice
What is the end behavior of this graph?
Down, Down
Up, Up
Up, Down
Down, Up
y = -5
22
Drag and Drop
Zeros: {
Y-int: (0, 60)
23
Part 2: Handout 3.5
24
25
26
27
28
29
30
31
Random Question of the Day Time
https://wheelofnames.com/4ke-epz We’ll spin
the wheel as a class and spend a minute or
so discussing our answers.
32
Lesson 3.5: A Field Guide to
Polynomial Functions
Obj: I can identify key features of a polynomial
function.
EQ: How do I describe characteristics of polynomial
functions?
Show answer
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