3) Using Rational Root Theorem and Descartes' Rule of signs. Find all roots of f(x)=D4x² + x-8x - 2. What are the factors of the constant term? Types of Positive Negative Roots Roots Roots Possibility 1 Factors of the Leading Coefficient term? Possiblity 2: Rational Roots= 1 All possible rational roots +1

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter3: Polynomial And Rational Functions
Section: Chapter Questions
Problem 9CC
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3) Using Rational Root Theorem and Descartes' Rule of signs.
Find all roots of f(x)=4x + x - 8x - 2.
Types of Positive Negative Imaginan
(Pairs)
Roots
Roots
Roots
What are the factors of the constant term?
Possibility 1:
Factors of the Leading Coefficient term?
Possibility 2:
Rational Roots = +
All possible rational roots
Descartes' Rule Find slgn changes.
(Remainder)
Make reduced Poly
4x + x - 8x-2
Factor or Solve
Positive =
%3D
4(-x)³ + (-x)² - 8(-x) - 2
Negative =
Roots x =
eaker notes
Transcribed Image Text:3) Using Rational Root Theorem and Descartes' Rule of signs. Find all roots of f(x)=4x + x - 8x - 2. Types of Positive Negative Imaginan (Pairs) Roots Roots Roots What are the factors of the constant term? Possibility 1: Factors of the Leading Coefficient term? Possibility 2: Rational Roots = + All possible rational roots Descartes' Rule Find slgn changes. (Remainder) Make reduced Poly 4x + x - 8x-2 Factor or Solve Positive = %3D 4(-x)³ + (-x)² - 8(-x) - 2 Negative = Roots x = eaker notes
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