Concepts in Complex Numbers

10th - 12th Grade

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30 Qs

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Concepts in Complex Numbers

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Mathematics

•

10th - 12th Grade

•

Hard

•

CCSS

HSN.CN.A.2, HSN.CN.A.1, HSN.CN.A.3

Standards-aligned

Barbara White

FREE Resource

30 questions

Show all answers

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify -√-8

-i√8

-2i√2

2i√2

-8i

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify 2√-32

2i√32

4i√2

8i√2

-16i√2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(12 - 5i) + (-3 + 4i)

A. 9 - i

B. 15 - 9i

C. -16 + 63i

D. 9 - 9i

Tags

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Evaluate (9 + 3i) (9 - 3i).

81 -9i

81 + 27i -9i²

81i - 9

Tags

CCSS.HSN.CN.C.8

MULTIPLE CHOICE QUESTION

1 min • 1 pt

i⁷

-i

-1

Tags

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

58 - 45i

58 - 15i

-38 - 15i

-38 + 45i

Tags

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does i² = ?

-1

√-1

-√1

Tags

CCSS.HSN.CN.A.1

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