Complex Number Operations

Complex Number Operations

9th - 11th Grade

21 Qs

quiz-placeholder

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Complex Number Operations

Complex Number Operations

Assessment

Quiz

Mathematics

9th - 11th Grade

Practice Problem

Medium

CCSS
HSN.CN.A.2, HSN.CN.A.1, HSA.APR.A.1

+4

Standards-aligned

Created by

Stephanie Hauer

Used 297+ times

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21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What does i2 = ?

-1
√-1
1
-√1

Tags

CCSS.HSN.CN.A.1

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.2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

12 + 3i
8 - 3i
8 - 9i
-9i + 8

Tags

CCSS.HSN.CN.A.2

4.

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

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the value of the expression below?

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

4 + 5i

2 + 7i

7i

1 + 6i

Tags

CCSS.HSA.APR.A.1

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Choose the correct answer for the operation pictured.

7 - 13i
7 - i
1 - 13i
1 - i

Tags

CCSS.HSA.APR.A.1

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Multiply
3i(-2 + 4i)

-6+12i
-12-6i
-2+7i
12+6i

Tags

CCSS.HSN.CN.A.2

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