WorksheetsLesson 6: complex numbers
Total questions: 10
Worksheet time: 19mins
Name
Class
Date
1.
3+3i+8−2i−7
a)
-4 + i
b)
4 + i
c)
4 - i
2.
−3+7i−(−5−3i)−8i
a)
2 + 2i
b)
-2 + 1
c)
-1 - 2i
3.
8(3+2i)+4−5i
a)
28 + 11i
b)
1 - 3i
c)
28 + i
4.
Simplify:
a)
Hint: do not forget to distribute that negative in front of the parenthesis
b)
58 - 15i
c)
-38 - 15i
d)
-38 + 45i
5.
Simplify
a)
10 - 5i
b)
5i
c)
10 + 9i
d)
10 + 5i
6.
Multiply the expression
5i(2 + 4i)
a)
30i
b)
30i3
c)
−20 + 10i
d)
20 − 10i
7.
Simplify:
a)
75-24i
b)
63 - 24i - 12i2
c)
51 - 24i
d)
58 + 60i
8.
Multiply
a)
- 6 + 12i
b)
- 4 - 6i
c)
- 2 + 7i
d)
12 + 6i
9.
Multiply:
a)
22 - 13i
b)
28 - 24i
c)
34 - 18i
d)
- 34 - 29i
10.
(1−3i)(2+5i)+3i−8
a)
9 + 2i
b)
16 - i
c)
11 - 2i
d)
9 + 8i
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