Complex Number Operations

10th - 12th Grade

•

10 Qs

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Complex Number Operations

Quiz

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Mathematics

•

10th - 12th Grade

•

Medium

•

CCSS

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

Standards-aligned

Albert Falkenberg

Used 1K+ times

FREE Resource

10 questions

Show all answers

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What does i² = ?

-1

√-1

-√1

Tags

CCSS.HSN.CN.A.1

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the sum.
(5-2i) + (-7+8i)

-2+6i

12+6i

-35-16i²

-35 -16i

Tags

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The product of (3 -2i) and (7+6i) is

21 - 12i

9 + 4i

33 + 4i

21 + 16i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(7 - 5i)(7 + 5i)

49 - 25i

49 + 25i

Tags

CCSS.HSN.CN.C.8

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Simplify 3i + 2i

5i²

-5

Tags

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Simplify i²³

-1

-i

Tags

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the simplified form of (-9 + 5i) + (3 -2i)

-12 + 31i

-6 + 3i

-11 + 7i

5 - 3i

Tags

CCSS.HSN.CN.A.2

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