Complex Numbers

Complex Numbers

11th Grade

15 Qs

quiz-placeholder

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Complex Numbers

Complex Numbers

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Hard

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

Standards-aligned

Created by

Anthony Clark

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Match the expression to the graph shown in the complex plane.

(4,0)

4 + 4i

-4(i2)

4i

Tags

CCSS.HSN.CN.B.4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The product of the following complex number in polar form √5(cos130o + i sin130o) ⋅ √45(cos15o + i sin15o) is...

50(cos145o + i sin145o)

15(cos145o + i sin145o)

81(cos100o + i sin100o)

All Options are Correct

Tags

CCSS.HSN.CN.B.4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify:  (4+2i)/(3-i)

1-i

1+i

10+10i

1+10i

Tags

CCSS.HSN.CN.A.3

4.

MULTIPLE CHOICE QUESTION

1 min • 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

5.

MULTIPLE CHOICE QUESTION

1 min • 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

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

3, 120o

5, 270o

1, 150o

Not Possible

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If z=√2+√2 i then arg(z2)=

0o

60o

90o

Not Possible

Tags

CCSS.HSN.CN.B.4

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