Operations of Imaginary Numbers

Operations of Imaginary Numbers

11th Grade

10 Qs

quiz-placeholder

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Operations of Imaginary Numbers

Operations of Imaginary Numbers

Assessment

Quiz

Mathematics

11th Grade

Hard

Created by

Anthony Clark

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calculate: 
(1 − 2i) + (-4 + 2i)

-3

-3 − 4i

5 − 4i

5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calculate:
-4 (13 + 5i) 

-52 − 20i

9 + i

17 − 20i

-52 + 20i

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

6i (-5 + 10i)

-30i + 60i2

30i − 16i2

11i + 60i2

-11i2+ 16i

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calculate (multiply):
 (4 + 3i)(4 − 3i)

16 − 9i2

25

7

8 − 6i

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify: 
(10+ 15i)-(48 - 30i)

58 - 45i

58 - 15i

-38 - 15i

-38 + 45i

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

i7

i

-i

1

-1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify -√-48

4i√3

-4i√3

i√48

-48i

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