1.
Solve the equation 3
x
+
y
+ 2
i
= 12 +
x
i
-
y
i
for
x
and
y
, where
x
and
y
are real numbers.
A.
B.
C.
D.
Hint
2.
Find the absolute value of the complex number
.
A.
B.
2
C.
-2
D.
1
Hint
3.
Express the complex number -4 - 3
i
in polar form.
A.
B.
C.
D.
Hint
4.
Express
in rectangular form.
A.
B.
C.
D.
Hint
5.
Express the complex number -9 – 4
i
in polar form.
A.
B.
C.
D.
Hint