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Introduction to Imaginary Numbers

Total questions: 11

Worksheet time: 20mins

Name
Class
Date
1.
Simplify.
a)
-5i
b)
5
c)
5i
d)
-5
2.
Simplify √-4
a)
2i
b)
-2i
c)
2
d)
4i
3.
Simplify √-23
a)
-√23
b)
23i
c)
23
d)
i√23
4.
Simplify -√-48
a)
4i√3
b)
-4i√3
c)
i√48
d)
-48i
5.
Simplify √-81
a)
-√81
b)
-9i
c)
9i
d)
81i
6.
Simplify √-28
a)
-√28
b)
-2i√7
c)
2i√7
d)
28i
7.
Simplify √-45
a)
3i√5
b)
-3i√5
c)
-i√45
d)
45i
8.
Simplify -√-8
a)
-i√8
b)
-2i√2
c)
2i√2
d)
-8i
9.
Simplify √-1
a)
1
b)
-i
c)
-1
d)
i
10.
Simplify √-25
a)
i√25
b)
5i
c)
-5i
d)
25i
11.
Simplify 2√-32
a)
2i√32
b)
4i√2
c)
8i√2
d)
-16i√2

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