Complex Numbers and Polar Coordinates

Complex Numbers and Polar Coordinates

9th - 12th Grade

54 Qs

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Complex Numbers and Polar Coordinates

Complex Numbers and Polar Coordinates

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

CCSS
HSN.CN.B.4, HSF.TF.A.2, HSF.TF.A.3

+15

Standards-aligned

Created by

Michelle O'Connor

Used 1+ times

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54 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the conjugate of -2+5i?

-5+2i
-2-5i
2+5i
5-2i

Tags

CCSS.HSN.CN.A.3

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify:  (4+2i)/(3-i)

1-i
1+i
10+10i
1+10i

Tags

CCSS.HSA.APR.A.1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What complex number is represented by the graph?

-3-i
-3+i
1+3i
1-3i

Tags

CCSS.HSN.CN.B.4

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Which are possible coordinates of the point graphed?

(-2, 120o)
(-2, 60o)
(2, -120o)
(2, 60o)

Tags

CCSS.HSN.CN.B.4

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Convert the rectangular coordinate (0, -3) to polar coordinates.

(3, -270o)
(3, 270o)
(-3, 270o)
Not Possible

Tags

CCSS.HSN.CN.B.4

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The rectangular form of the complex number 12(cos315o + i sin315o) is...

6√2 + 6√2 i
6√2 - 6√2 i
-6√2 + 6√2 i
-6√2 - 6√2 i

Tags

CCSS.HSN.CN.B.4

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Let w=-√3/2 + 1/2 i calculate the modulus and argument.

3, 120o
5, 270o
1, 150o
Not Possible

Tags

CCSS.HSN.CN.A.3

CCSS.HSN.CN.B.4

CCSS.HSN.CN.B.5

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