Representing complex numbers

Representing complex numbers

9th - 12th Grade

20 Qs

quiz-placeholder

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Representing complex numbers

Representing complex numbers

Assessment

Quiz

Mathematics

9th - 12th Grade

Hard

CCSS
HSN.CN.B.4

Standards-aligned

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Which equation represents the polar graph?

r = 6 + 6 sin θ
r = 12 sin θ
r = 4 - 3 sin θ
r = 4 + 5 sin θ

Tags

CCSS.HSN.CN.B.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What side is the blue line showing?

Curved Side

Blocked Side

Initial Side

Terminal Side

Tags

CCSS.HSN.CN.B.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Write the expression in the standard form a + bi.
[3(cos80 +isin80)]³

-27/2 - (27√3)/2 i
27/2 + (27√3)/2 i
9/2 + 3i
27i + √3

Tags

CCSS.HSN.CN.B.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

circle

cardioid

rose

spiral of Archimedes

Tags

CCSS.HSN.CN.B.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find z/w. Leave your answer in polar form.
z=cos120 +isin120
w=cos100 +isin100

cos20 +isin20
cos220 + isin220
cos20 -isin20
2(cos220 +isin220)

Tags

CCSS.HSN.CN.B.4

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

-3-3i is written in _________.

POLAR FORM

RECTANGULAR FORM

Tags

CCSS.HSN.CN.B.4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

-i

-1

i

1

Tags

CCSS.HSN.CN.B.4

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