Conjugate Root

Conjugate Root

11th Grade

10 Qs

quiz-placeholder

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Conjugate Root

Conjugate Root

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Hard

CCSS
HSN.CN.C.9, HSN.CN.A.3, HSA.APR.B.3

Standards-aligned

Created by

Anthony Clark

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Use the Complex Conjugate Root Theorem to state another complex solution. Given that -7i is a root. 

7i

-7i+1

1-7i

1+7i

Tags

CCSS.HSN.CN.A.3

2.

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

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

All imaginary roots come in pairs.

True

False

Tags

CCSS.HSN.CN.C.9

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Name the Theorem
If P(x) is a polynomial with rational coefficients, then the irrational roots of P(x) = 0 occur in conjugate pairs.

Binomial Theorem

Factor Theorem

Conjugate Root Theorem

Rational Root Theorem

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Use the Complex Conjugate Root Theorem to state another complex solution. Given that -2-5i is a root. 

-2-5i

-2+5i

2+5i

5i

Tags

CCSS.HSN.CN.A.3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a+bi is a root of a polynomial, then _______ is also a root.

i2

a-bi

a+bi

-i2

Tags

CCSS.HSN.CN.C.9

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a polynomial has real co-efficients then all imaginary roots comes in pairs.

True

False

Tags

CCSS.HSN.CN.C.9

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