3. x5 + 3x³ + 2x = 0 a. Good guesses: b. # of positive roots: c. # of negative roots: d. # of imaginary roots:

Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Find the zeros of the following polynomials by using the following aids.
Use the rational zero theorem, Descartes's rule of signs, and the theorem on bounds as aids in finding
all real and imaginary roots to each equation.
1. x +9x2 + 26x + 24 0
a. Good guesses:
b. # of positive roots:
c. # of negative roots:
d. # of imaginary roots:
e. upper bound
f. lower bound
g. answers:
2. 2x - 7x2 - 16 = 0
a. Good guesses:
b. # of positive roots:
c. # of negative roots:
d. # of imaginary roots:
e. upper bound
f. lower bound
g. answers:
3. x + 3x + 2x = 0
a. Good guesses:
b. # of positive roots:
c. # of negative roots:
# of imaginary roots:
e. upper bound
f. lower bound
g. answers:
Transcribed Image Text:Find the zeros of the following polynomials by using the following aids. Use the rational zero theorem, Descartes's rule of signs, and the theorem on bounds as aids in finding all real and imaginary roots to each equation. 1. x +9x2 + 26x + 24 0 a. Good guesses: b. # of positive roots: c. # of negative roots: d. # of imaginary roots: e. upper bound f. lower bound g. answers: 2. 2x - 7x2 - 16 = 0 a. Good guesses: b. # of positive roots: c. # of negative roots: d. # of imaginary roots: e. upper bound f. lower bound g. answers: 3. x + 3x + 2x = 0 a. Good guesses: b. # of positive roots: c. # of negative roots: # of imaginary roots: e. upper bound f. lower bound g. answers:
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