Lesson 2.2 Polynomial Functions of Higher Degree · 2018. 8. 1. · PreCalculus Lesson 2.2.notebook...

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PreCalculus Lesson 2.2.notebook 1 September 07, 2011 Lesson 2.2 Polynomial Functions of Higher Degree Wednesday, September 7, 2011 Goals: Use transformations to sketch graphs og polynomial functions. Use the leading coefficient test to determine the end behavior of graphs of polynomial functions. Find and use zeros pf polynomial functions as a sketching aids. Use the intermediate Value Theorem to help locate zeros of polynomial functions. Instructional DVD's: Polynomial Functions of Higher Degree 30:48 DVD 2

Transcript of Lesson 2.2 Polynomial Functions of Higher Degree · 2018. 8. 1. · PreCalculus Lesson 2.2.notebook...

Page 1: Lesson 2.2 Polynomial Functions of Higher Degree · 2018. 8. 1. · PreCalculus Lesson 2.2.notebook 1 September 07, 2011 Lesson 2.2 Polynomial Functions of Higher Degree Wednesday,

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Lesson 2.2Polynomial Functions of Higher Degree

Wednesday, September 7, 2011

Goals: Use transformations to sketch graphs og polynomial functions.              Use the leading coefficient test to determine the end behavior of graphs of  polynomial functions.              Find and use zeros pf polynomial functions as a sketching aids.             Use the intermediate Value Theorem to help locate zeros of polynomial functions.Instructional DVD's: Polynomial Functions of Higher Degree 30:48     DVD 2

Page 2: Lesson 2.2 Polynomial Functions of Higher Degree · 2018. 8. 1. · PreCalculus Lesson 2.2.notebook 1 September 07, 2011 Lesson 2.2 Polynomial Functions of Higher Degree Wednesday,

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Library of Parent Functions: Polynomial Functions

Page 3: Lesson 2.2 Polynomial Functions of Higher Degree · 2018. 8. 1. · PreCalculus Lesson 2.2.notebook 1 September 07, 2011 Lesson 2.2 Polynomial Functions of Higher Degree Wednesday,

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Example 1Transformations of Monomial Functions

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The Leading Coeffcient Test

Page 5: Lesson 2.2 Polynomial Functions of Higher Degree · 2018. 8. 1. · PreCalculus Lesson 2.2.notebook 1 September 07, 2011 Lesson 2.2 Polynomial Functions of Higher Degree Wednesday,

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Real Zeros of a Polynomial Functions

1.    x = a is a zero of the function  f

2.    x = a is a solution of the polynomial equation  f (x) = 0

3.    (x ­ a) is a factor of the polynomial f(x)

4.    ( a, 0 )  is an intercept of the graph of f

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Example 2Applying the Leading Coefficient Test

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Example 3Finding Zeros of a Polynomial Function

Page 8: Lesson 2.2 Polynomial Functions of Higher Degree · 2018. 8. 1. · PreCalculus Lesson 2.2.notebook 1 September 07, 2011 Lesson 2.2 Polynomial Functions of Higher Degree Wednesday,

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Example 4

Analyzing a Polynomial Function 

Page 9: Lesson 2.2 Polynomial Functions of Higher Degree · 2018. 8. 1. · PreCalculus Lesson 2.2.notebook 1 September 07, 2011 Lesson 2.2 Polynomial Functions of Higher Degree Wednesday,

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Repeated Zeros

Page 10: Lesson 2.2 Polynomial Functions of Higher Degree · 2018. 8. 1. · PreCalculus Lesson 2.2.notebook 1 September 07, 2011 Lesson 2.2 Polynomial Functions of Higher Degree Wednesday,

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Example 5Finding Zeros of a Polynomial Function

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Page 12: Lesson 2.2 Polynomial Functions of Higher Degree · 2018. 8. 1. · PreCalculus Lesson 2.2.notebook 1 September 07, 2011 Lesson 2.2 Polynomial Functions of Higher Degree Wednesday,

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Example 6Finding a Polynomial Function with Given Zeros

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Example 7

Sketching the Graph of a Polynomial Function

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Example 8

Sketching the Graph of a Polynomial Function

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Example 9

Approximating the Zeros of a Function

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Date: 

Classwork:  Computer:

  Homework:      Lesson 2­2

Page 112­113 Problems 7, 8, 18, 19, 26,  27, 36, 39, 45, 48, 52,  53

Wednesday, September 7, 2011

Page 17: Lesson 2.2 Polynomial Functions of Higher Degree · 2018. 8. 1. · PreCalculus Lesson 2.2.notebook 1 September 07, 2011 Lesson 2.2 Polynomial Functions of Higher Degree Wednesday,

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Homework      page  _____   problem _______112 6

Match the polynomial function with its graph.

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Homework      page  _____   problem _______112 7

Match the polynomial function with its graph.

Page 19: Lesson 2.2 Polynomial Functions of Higher Degree · 2018. 8. 1. · PreCalculus Lesson 2.2.notebook 1 September 07, 2011 Lesson 2.2 Polynomial Functions of Higher Degree Wednesday,

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Homework      page  _____   problem _______112 8

Match the polynomial function with its graph.

Page 20: Lesson 2.2 Polynomial Functions of Higher Degree · 2018. 8. 1. · PreCalculus Lesson 2.2.notebook 1 September 07, 2011 Lesson 2.2 Polynomial Functions of Higher Degree Wednesday,

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Homework      page  _____   problem _______113 16

Use the leading Coefficient Test. Check with Calculator

Page 21: Lesson 2.2 Polynomial Functions of Higher Degree · 2018. 8. 1. · PreCalculus Lesson 2.2.notebook 1 September 07, 2011 Lesson 2.2 Polynomial Functions of Higher Degree Wednesday,

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Homework      page  _____   problem _______113 24

Find all real zeros, check with calculator

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Homework      page  _____   problem _______113 34

Find all real zeros algebraically, check with calculator.

Page 23: Lesson 2.2 Polynomial Functions of Higher Degree · 2018. 8. 1. · PreCalculus Lesson 2.2.notebook 1 September 07, 2011 Lesson 2.2 Polynomial Functions of Higher Degree Wednesday,

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Homework      page  _____   problem _______113 36

Find all real zeros algebraically, check with calculator.

0, 0, 0, 3, ­3

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Homework      page  _____   problem _______113 39

Find all real zeros algebraically, check with calculator.

Page 25: Lesson 2.2 Polynomial Functions of Higher Degree · 2018. 8. 1. · PreCalculus Lesson 2.2.notebook 1 September 07, 2011 Lesson 2.2 Polynomial Functions of Higher Degree Wednesday,

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Homework      page  _____   problem _______113 45

Graph and find any real zeros and relative extrema.

Page 26: Lesson 2.2 Polynomial Functions of Higher Degree · 2018. 8. 1. · PreCalculus Lesson 2.2.notebook 1 September 07, 2011 Lesson 2.2 Polynomial Functions of Higher Degree Wednesday,

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Homework      page  _____   problem _______113 46

Graph and find any real zeros and relative extrema.

Page 27: Lesson 2.2 Polynomial Functions of Higher Degree · 2018. 8. 1. · PreCalculus Lesson 2.2.notebook 1 September 07, 2011 Lesson 2.2 Polynomial Functions of Higher Degree Wednesday,

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Homework      page  _____   problem _______113 48

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Homework      page  _____   problem _______113 50

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Homework      page  _____   problem _______113 52

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Homework      page  _____   problem _______113 53

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Homework      page  _____   problem _______113 55