
Real Roots and Complex Roots of Polynomial
Authored by Anthony Clark
Mathematics
11th Grade
CCSS covered
Used 1+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following roots match the above polynomial:
-3,-1,4
-3,2i,-2i
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the total number of roots for the following equation?
y = 4x6 - 12x5 - x4 + 2x3 - 6x2 - 5x + 10
4
5
6
7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write a cubic polynomial in standard form with roots 3 and 4i
x3-3x2+16x-48
x3-8x2-3x+52
x3+3x2+3x+1
x3+3x2-16x+48
Tags
CCSS.HSA.APR.B.3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
State the zeros of the polynomial (include multiplicity):
f(x) = (x2+9)(x -1)3(2x + 5)
-9, 1, -5
-9, 1 (multiplicity of 3), -5
± 3i , 1 (multiplicity of 3), -5∕2
± 3i, 1, -5
Tags
CCSS.HSF-IF.C.7C
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the zeros of f(x) = x2+9x+14
2, 7
-2, -7
2, -7
-2, 7
Tags
CCSS.HSA-SSE.B.3B
CCSS.HSF-IF.C.8A
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the degree of the following polynomial that has 4 real roots and 2 complex roots?
4
2
8
6
Tags
CCSS.HSN.CN.C.9
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use the Complex Conjugate Root Theorem to state another complex solution. Given that 3+5i is a root.
-3+5i
-3-5i
-5i
3-5i
Tags
CCSS.HSN.CN.A.3
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