Lesson 8.2 Finding Roots of Polynomial Functions VDE DE Find the roots of the polynomial function. 21. a(x) =x -2x-8x 122 A) -4, 1, 2 B) -8, -2, 1 C)-2, 0, 4 col D) 0, 2, 6 b(x) = x -4x -5x+20 8(3A VC STe 22. A) -V5, V5,4 B) -2, 2, 5 C) 5i, -2, 2 D) -5i, 5i, 4 E) 3 23. c(x) =x* +x' +4x² +4x 37 A) -4i, 4i, 0, 1 B) -2i, 2i, -1, 0 C) -VZ,-1,0, 2 D) -V2,-1,1, 2 GSE Algebra IIA Week 8 Page 18 of 22

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 29E
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Lesson 8.2 Finding Roots of Polynomial Functions
Find the roots of the polynomial function.
21.
a(x) = x - 2x? – 8x
122
A) -4, 1, 2
B) -8, -2, 1
C) -2, 0, 4
co D) 0, 2, 6CE N
22.
b(x) = x -4x - 5x+20
8 (3A
VC STE
A) -V5, 5,4
B) -2, 2, 5
C) 5i, -2, 2
D) -5i, 5i, 4
23.
c(x) =x* +x +4x² +4x
A) -4i, 4i, 0, 1
B) -2i, 2i, -1, 0
C) -V2,-1,0, 2 D) -V2,-1,1, 2
GSE Algebra IIA Week 8
Page 18 of 22
Transcribed Image Text:Lesson 8.2 Finding Roots of Polynomial Functions Find the roots of the polynomial function. 21. a(x) = x - 2x? – 8x 122 A) -4, 1, 2 B) -8, -2, 1 C) -2, 0, 4 co D) 0, 2, 6CE N 22. b(x) = x -4x - 5x+20 8 (3A VC STE A) -V5, 5,4 B) -2, 2, 5 C) 5i, -2, 2 D) -5i, 5i, 4 23. c(x) =x* +x +4x² +4x A) -4i, 4i, 0, 1 B) -2i, 2i, -1, 0 C) -V2,-1,0, 2 D) -V2,-1,1, 2 GSE Algebra IIA Week 8 Page 18 of 22
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