Imaginary numbers

9th - 11th Grade

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Imaginary numbers

Quiz

•

Mathematics

•

9th - 11th Grade

•

Medium

•

CCSS

HSN.CN.A.1, HSN.CN.C.8, HSN.CN.A.2

Standards-aligned

Austin Burke

Used 35+ times

FREE Resource

10 questions

Show all answers

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify 2√-32

2i√32

4i√2

8i√2

-16i√2

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify √-25

i√25

-5i

25i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify √-1

-i

-1

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify -√-8

-i√8

-2i√2

2i√2

-8i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify √-45

3i√5

-3i√5

-i√45

45i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.B.4

CCSS.HSN.RN.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Multiply:
(4 – 3i)(-7 – 2i)

A. -23 + 13i

B. -23 - 29i

C. -34 + 13i

D. -34 - 29i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify:
(10+ 15i)-(48 - 30i)

58 - 45i

58 - 15i

-38 - 15i

-38 + 45i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

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