Complex Number Operations

9th - 11th Grade

•

21 Qs

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Complex Number Operations

Quiz

•

Mathematics

•

9th - 11th Grade

•

Medium

•

CCSS

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

Standards-aligned

Stephanie Hauer

Used 295+ times

FREE Resource

21 questions

Show all answers

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What does i² = ?

-1

√-1

-√1

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

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.1

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(10-6i) - (2+3i)

12 + 3i

8 - 3i

8 - 9i

-9i + 8

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify
3i - (4 + 7i)

-4 + 10i

21 - 12i

4 - 10i

-4 - 4i

Tags

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the value of the expression below?

(2 + 4i) + i(2 + i)

4 + 5i

2 + 7i

1 + 6i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Choose the correct answer for the operation pictured.

7 - 13i

7 - i

1 - 13i

1 - i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Multiply
3i(-2 + 4i)

-6+12i

-12-6i

-2+7i

12+6i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

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