WorksheetsComplex Numbers
Total questions: 10
Worksheet time: 50mins
Name
Class
Date
1.
i7
a)
i
b)
-i
c)
1
d)
-1
2.
i52
a)
i
b)
-i
c)
1
d)
-1
3.
What is the simplified form of (-9 + 5i) + (3 -2i)
a)
-12 + 31i
b)
-6 + 3i
c)
-11 + 7i
d)
5 - 3i
4.
What is the simplified form of (-6i)(3i)
a)
-18
b)
-18i
c)
18
d)
-18i2
5.
What is the simplified form of (-3 + 2i)(1- 4i)
a)
-2 - 2i
b)
5 + 14i
c)
-11 -10i
d)
-3 -8i
6.
What is the simplified form of the above?
a)
7/10 + 11/10 i
b)
13/10 +1/10 i
c)
5/4 - 3/2i
d)
7/10 - 11/10 i
7.
What is the simplified form of (8 -3i)2?
a)
73
b)
16 - 6i
c)
55 + 48i
d)
55 - 48i
8.
a)
A
b)
B
c)
C
d)
D
9.
a)
A
b)
B
c)
C
d)
D
10.
√-36
a)
6
b)
-6
c)
-6i
d)
6i
100 %
