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Conjugate Root Theorem

Authored by Randall Roys

Mathematics

10th - 12th Grade

CCSS covered

Used 205+ times

Conjugate Root Theorem
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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 3+5i is a root. 

-3+5i
-3-5i
-5i
3-5i

Tags

CCSS.HSN.CN.A.3

2.

MULTIPLE CHOICE QUESTION

30 sec • 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

3.

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

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All imaginary roots come in pairs.

True

False

Tags

CCSS.HSN.CN.C.9

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All zeros containing a square root sign come in pairs.

True

False

Tags

CCSS.8.EE.A.2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following would be the correct factored form with roots 2, 5i, and 6?

(x-6)(x-2)(x+5i)(x-5i)

(x+6)(x+2)(x+5i)

(x-6)(x-2)(x-5i)

(x+6)(x+2)(x-5i)

Tags

CCSS.HSA.APR.B.3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

-7i, 3√2, _____, ______

-7i, 3√2,

-7i, -3√2,

7i, 3√2,

7i, -3√2,

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.B.4

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