Real Roots and Complex Roots of Polynomial

Real Roots and Complex Roots of Polynomial

11th Grade

13 Qs

quiz-placeholder

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Real Roots and Complex Roots of Polynomial

Real Roots and Complex Roots of Polynomial

Assessment

Quiz

Mathematics

11th Grade

Hard

CCSS
HSA.APR.B.3, HSN.CN.C.9, HSF-IF.C.7C

+4

Standards-aligned

Created by

Anthony Clark

FREE Resource

13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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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