Conjugate Pairs Theorem Every complex polynomial function of degree n  1 has exactly n complex zeros, some of which may repeat. 1) A polynomial function.

Slides:



Advertisements
Similar presentations
Notes 6.6 Fundamental Theorem of Algebra
Advertisements

2.5 complex 0’s & the fundamental theorem of algebra
You will learn about: Complex Numbers Operations with complex numbers Complex conjugates and division Complex solutions of quadratic equations Why: The.
Warm up Use synthetic division to divide (4x3 – 3x2 + 2x + 1)/ (x – 1) (x3 – x2 – 6)/(x + 2)
Section 5.6 – Complex Zeros; Fundamental Theorem of Algebra Complex Numbers Standard form of a complex number is: a + bi. Every complex polynomial function.
OBJECTIVES: 1. USE THE FUNDAMENTAL THEOREM OF ALGEBRA 2. FIND COMPLEX CONJUGATE ZEROS. 3. FIND THE NUMBER OF ZEROS OF A POLYNOMIAL. 4. GIVE THE COMPLETE.
Lesson 2.5 The Fundamental Theorem of Algebra. For f(x) where n > 0, there is at least one zero in the complex number system Complex → real and imaginary.
The Fundamental Theorem of Algebra And Zeros of Polynomials
Zeros of Polynomials PolynomialType of Coefficient 5x 3 + 3x 2 + (2 + 4i) + icomplex 5x 3 + 3x 2 + √2x – πreal 5x 3 + 3x 2 + ½ x – ⅜rational 5x 3 + 3x.
Complex Zeros; Fundamental Theorem of Algebra
9.9 The Fundamental Theorem of Algebra
The Rational Root Theorem.  Is a useful way to find your initial guess when you are trying to find the zeroes (roots) of the polynomial.  THIS IS JUST.
Chapter 3 Polynomial and Rational Functions Copyright © 2014, 2010, 2007 Pearson Education, Inc Zeros of Polynomial Functions.
6.6 The Fundamental Theorem of Algebra
Rational Root and Complex Conjugates Theorem. Rational Root Theorem Used to find possible rational roots (solutions) to a polynomial Possible Roots :
 Evaluate a polynomial  Direct Substitution  Synthetic Substitution  Polynomial Division  Long Division  Synthetic Division  Remainder Theorem 
Lesson 2.5, page 312 Zeros of Polynomial Functions Objective: To find a polynomial with specified zeros, rational zeros, and other zeros, and to use Descartes’
2.7 Apply the Fundamental Theorem of Algebra Polynomials Quiz: Tomorrow (over factoring and Long/Synthetic Division) Polynomials Test: Friday.
3.4 Zeros of Polynomial Functions Obj: Find x-intercepts of a polynomial Review of zeros A ZERO is an X-INTERCEPT Multiple Zeros the zeros are x = 5 (mult.
Section 3.3 Theorems about Zeros of Polynomial Functions.
Warm Up. Find all zeros. Graph.. TouchesThrough More on Rational Root Theorem.
Topic: U4L5 Remainder and Factor Theorems EQ: Can I correctly apply the Remainder and Factor Theorems to help me factor higher order polynomials?
Chapter 2 Polynomial and Rational Functions. Warm Up
2.5 The Fundamental Theorem of Algebra Students will use the fundamental theorem of algebra to determine the number of zeros of a polynomial. Students.
1 © 2010 Pearson Education, Inc. All rights reserved © 2010 Pearson Education, Inc. All rights reserved Chapter 3 Polynomial and Rational Functions.
THE FUNDAMENTAL THEOREM OF ALGEBRA. Descartes’ Rule of Signs If f(x) is a polynomial function with real coefficients, then *The number of positive real.
Complex Zeros and the Fundamental Theorem of Algebra.
3.6 Complex Zereos. The Fundamental Theorem of Algebra The Fundamental Theorem of Algebra says that every polynomial with complex coefficients must have.
Solving Polynomial Functions involving Complex Numbers.
2.6 Theorems About Roots of Polynomials PG 98. Objectives Use the Rational Root Theorem to list all possible roots of a polynomial Test possible roots.
THE LINEAR FACTORIZATION THEOREM. What is the Linear Factorization Theorem? If where n > 1 and a n ≠ 0 then Where c 1, c 2, … c n are complex numbers.
Fundamental Theorem of Algebra Every polynomial function of positive degree with complex coefficients has at least one complex zero.
Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Section 5.6 Complex Zeros; Fundamental Theorem of Algebra.
1/27/ Fundamental Theorem of Algebra. Intro Find all zeros for each of the following: Multiplicity – When more than one zero occurs at the.
5.6 The Fundamental Theorem of Algebra. If P(x) is a polynomial of degree n where n > 1, then P(x) = 0 has exactly n roots, including multiple and complex.
January 19, 2012 At the end of today, you will be able to find ALL zeros of a polynomial. Warm-up: Check HW 2.4 Pg. 167 #20-21, 27-29, , 55, 65,
Section 4.6 Complex Zeros; Fundamental Theorem of Algebra.
2015/16 TI-Smartview 2.5 The Fundamental Theorem of Algebra.
The Fundamental Theorem of Algebra Intro - Chapter 4.6.
Warm-up Multiply the factors and write in standard form.
2.5 The Fundamental Theorem of Algebra. The Fundamental Theorem of Algebra The Fundamental Theorem of Algebra – If f(x) is a polynomial of degree n, where.
REMAINDER THEOREM HONORS ADVANCED ALGEBRA PRESENTATION 2-7.
Honors Precalc: Warm-Up Solve for x. 1.) x = 0 2.)Perform the operation on the following complex numbers (express answers as a + bi). a.) (5 – 3i)(-2+4i)
Every polynomial P(x) of degree n>0 has at least one zero in the complex number system. N Zeros Theorem Every polynomial P(x) of degree n>0 can be expressed.
Chapter 2 – Polynomial and Rational Functions 2.5 – The Fundamental Theorem of Algebra.
Zeros (Solutions) Real Zeros Rational or Irrational Zeros Complex Zeros Complex Number and its Conjugate.
Algebra Finding Real Roots of Polynomial Equations.
Algebra 2. Solve for x Algebra 2 (KEEP IN MIND THAT A COMPLEX NUMBER CAN BE REAL IF THE IMAGINARY PART OF THE COMPLEX ROOT IS ZERO!) Lesson 6-6 The Fundamental.
“Is it better to be feared or respected? And I say, is it too much to ask for both?”
Fundamental Theorem of Algebra
3.4 Zeros of Polynomial Functions
Roots and Zeros 5.7.
Warm-up Multiply the factors and write in standard form.
Fundamental Theorem of Algebra
Rational Root and Complex Conjugates Theorem
Rational Root and Complex Conjugates Theorem
Lesson 7.2: Finding Complex Solutions of Polynomial Equations
3.8 Complex Zeros; Fundamental Theorem of Algebra
Warm-up 11-3.
Warm Up Identify all the real roots of each equation.
5.7: Fundamental Theorem of Algebra
Fundamental Theorem of Algebra
Apply the Fundamental Theorem of Algebra
The Fundamental Theorem of Algebra
Lesson: _____ Section 2.5 The Fundamental Theorem of Algebra
Fundamental Theorem of Algebra
Fundamental Theorem of Algebra
Fundamental Theorem of Algebra
Fundamental Theorem of Algebra
Presentation transcript:

Conjugate Pairs Theorem Every complex polynomial function of degree n  1 has exactly n complex zeros, some of which may repeat. 1) A polynomial function of degree three has 2 and 3 + i as it zeros. What is the other zero? Examples

2) A polynomial function of degree 5 has 4, 2 + 3i, and 5i as it zeros. What are the other zeros? Examples 3) A polynomial function of degree 4 has 2 with a zero multiplicity of 2 and 2 – i as it zeros. What are the zeros?

Examples 4) A polynomial function of degree 4 has 2 with a zero multiplicity of 2 and 2 – i as it zeros. What is the function?

Find the remaining complex zeros of the given polynomial functions

Long Division