Complex Number Operations

10th - 11th Grade

•

20 Qs

quiz-placeholder

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Complex Number Operations

Complex Number Operations

Assessment

Quiz

•

Mathematics

•

10th - 11th Grade

•

Easy

Created by

Carol Snively

Used 5+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

10

-10

10i

-10i

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the complex conjugate of 4-3i?

A. 1/(4-3i)

B. 1/(4+3i)

C. -4 + 3i

D. 4 + 3i

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

-2+6i

12+6i

-35-16i²

-35 -16i

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(3+8i)(-2-i)

2-19i

23-i

34+5i

23-i

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(2i)(3i)

5i

-5

6i

-6

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

-6i+3i

3i

-3i

-2i

-3i²

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does i² equal?

-1

√-1

1

-√1

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