Radicals Packet Worksheet Page 6
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6Division with Complex Numbers
Division with complex numbers is much like rationalizing a denominator. You cannot have a
complex number in the denominator, so multiply top and bottom by the conjugate. Remember,
your answer must be written in standard form.
Divide each of the following.
2
8
i
15
10
A)
B)
C)
D)
3 i −
−
2 i −
+
4 3
i
1 7i
+
−
−
−
3
i
3 4
i
3
5
i
5
3
i
E)
F)
G)
H)
−
+
+
+
3
i
4 3
i
3
5
i
2
3
i
More Equations
Solve each of the following equations.
x +
=
x +
=
x = −
2
2
2
A)
B)
C)
400 0
4
39 7
5
20
x +
=
x +
=
x +
=
2
2
2
D)
2
90 0
E)
3
14 8
F)
3
48 0
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