Find all zeros of the polynomial function. Use the Rational Zero Theorem, Descartes's Rule of Signs, and possibly the graph of the polynomial function shown by a graphing utility as an aid in obtaining the first zero or the first root. 1(x) = x* - 2x + 78x² + 166x+85 Find the zeros of the polynomial function.

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.5: Zeros Of Polynomial Functions
Problem 79E
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Find all zeros of the polynomial function. Use the Rational Zero Theorem, Descartes's Rule of Signs, and possibly the graph of the polynomial function shown by a graphing utility as an aid in obtaining the first zero or the first root.
f(x) = x* - 2x°
+ 78x + 166x + 85
Find the zeros of the polynomial function.
(Simplify your answer. Type an exact answer, using radicals and i as needed. Use a comma to separate answers as needed. Type each answer only once.)
Enter your answer in the answer box and then click Check Answer.
Clear Al
All parts showing
En
PrtScn
F8
Home
F9
F7
F6
'F4
F5
F2
F3
Transcribed Image Text:Find all zeros of the polynomial function. Use the Rational Zero Theorem, Descartes's Rule of Signs, and possibly the graph of the polynomial function shown by a graphing utility as an aid in obtaining the first zero or the first root. f(x) = x* - 2x° + 78x + 166x + 85 Find the zeros of the polynomial function. (Simplify your answer. Type an exact answer, using radicals and i as needed. Use a comma to separate answers as needed. Type each answer only once.) Enter your answer in the answer box and then click Check Answer. Clear Al All parts showing En PrtScn F8 Home F9 F7 F6 'F4 F5 F2 F3
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