Multiplying Conjugates

Multiplying Conjugates

11th Grade

20 Qs

quiz-placeholder

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Multiplying Conjugates

Multiplying Conjugates

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Medium

CCSS
HSN.CN.C.8, HSN.CN.A.3, HSN.CN.A.2

+1

Standards-aligned

Created by

Anthony Clark

Used 1+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Multiply: (4 - i)(4 + i)

17

17-8i

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Multiply (5 + 2i)(5 - 2i)

21

29

29-10i

Tags

CCSS.HSN.CN.C.8

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What type of number is the result of multiplying a complex number and its conjugate?

Natural Number

Imaginary Number

Irrational Number

Real Number

Tags

CCSS.HSN.CN.C.8

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the conjugate you would multiply by?

2+i

2-i

-2+i

-2-i

Tags

CCSS.HSN.CN.A.3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Refer to the above image, what is the conjugate of the denominator?

8 + 6i

6 + 8i

6 - 8i

-6 +8i

Tags

CCSS.HSN.CN.A.3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the numerator after multiplying and before simplifying?

5-4i

4i+5

-5i

4-i

Tags

CCSS.HSN.CN.A.3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the conjugate you would multiply by?

5+2i

5-2i

-5-2i

-5+2i

Tags

CCSS.HSN.CN.A.3

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