Test 04.14.23 Operations with Complex Numbers A

Test 04.14.23 Operations with Complex Numbers A

9th - 12th Grade

25 Qs

quiz-placeholder

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Test 04.14.23 Operations with Complex Numbers A

Test 04.14.23 Operations with Complex Numbers A

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

CCSS
HSN.CN.A.2, HSN.CN.A.3, HSN.CN.A.1

+5

Standards-aligned

Created by

ANTICA TAYLOR

Used 5+ times

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25 questions

Show all answers

1.

DROPDOWN QUESTION

1 min • 1 pt

The imaginary unit i is defined as i = ​ (a)   , where

i2 = ​ (b)   .

-1
-i
1

Tags

CCSS.HSN.CN.A.1

2.

DROPDOWN QUESTION

1 min • 1 pt

Are operations with complex numbers similar to operations with polynomials?​ (a)  

Yes
No

Tags

CCSS.HSN.CN.C.9

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Imaginary numbers are closed under what arithmetic operation(s)?

Select all that apply.

Addition

Multiplication

Subtraction

Division

Tags

CCSS.HSN.CN.A.3

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Complex numbers are closed under what arithmetic operation(s)?

Select all that apply.

Addition

Multiplication

Subtraction

Division

Tags

CCSS.HSN.CN.A.3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify √-28

-√28
-2i√7
2i√7
28i

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify -4√-63

3i√7
-12i√7
-12√7
36√7

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Use the powers of i to simplify

i97

1

i

-1

-i

Tags

CCSS.HSN.CN.A.2

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