Operations on complex numbers

Operations on complex numbers

9th - 12th Grade

20 Qs

quiz-placeholder

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Operations on complex numbers

Operations on complex numbers

Assessment

Quiz

Mathematics

9th - 12th Grade

Hard

CCSS
HSN.CN.A.2

Standards-aligned

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Multiply: (2 + i) * (3 - 2i)

10 - 4i

6 + 2i

8 - i

5 - 3i

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

-1

1

0

i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 6i×7i6i\times-7i  

 42i2-42i^2  

 42i242i^2  

 42i42i  

 42i-42i  

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(3i)(-2)

-6i

-6

6i2

-6i2

Tags

CCSS.HSN.CN.A.2

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(3+8i)(-2-i)

2-19i

23-i

34+5i

23-i

-6 - 8i

Tags

CCSS.HSN.CN.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

i

-i

1

-1

Tags

CCSS.HSN.CN.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is  i79i^{79} ?

i

1

-1

-i

Tags

CCSS.HSN.CN.A.2

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