Argument and Modulus for Complex Numbers

Argument and Modulus for Complex Numbers

12th Grade

13 Qs

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Argument and Modulus for Complex Numbers

Argument and Modulus for Complex Numbers

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

Created by

Anthony Clark

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13 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

In the complex plane, the ____________ is the distance from the origin to the complex number point z.

2.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

If 1-j what is the argument (angle) of z in degrees?

90 degrees

180 degrees

0 degrees

-45 degrees

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The modulus of 5 + 4i is

41

-41

√41

-√41

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

The _________________ is the radian or degree measure of the counter clockwise rotation of the vector representing complex number z.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the modulus of (7 - i) / (3 - 4i)

21/2

2

0

1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the argument of (7 - i) / (3 - 4i)

45° , 270°

45° only

π / 4 , 3π / 2

π / 4 only

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