1.
Graph the point
P
(5, 60°).
A.
B.
C.
D.
Hint
2.
Graph
R
(-3, -145°).
A.
B.
C.
D.
Hint
3.
The graph of
is a ______.
A.
spiral of Archimedes
B.
cardioid
C.
circle
D.
rose
Hint
4.
Find the rectangular coordinates of the point
Q
(-5, -35°).
A.
(-4.10, 2.87)
B.
(4.10, 2.87)
C.
(4.10, -2.87)
D.
(-4.10, -2.87)
Hint
5.
What is the conjugate of –9 – 2
i
?
A.
9
B.
2 – 9
i
C.
–9 + 2
i
D.
2 + 9
i
Hint
6.
Find the product
. Express the result in rectangular form.
A.
-6 +
i
B.
6
i
C.
6
D.
-6
Hint
7.
Find the principal square root of 2
i
.
A.
1 +
i
B.
-1 -
i
C.
1 -
i
D.
-1 +
i
Hint
8.
Graph
r
= 5 sin (2
+ 3°).
A.
B.
C.
D.
Hint
9.
Write the rectangular equation
x
2
+ (
y
+ 6)
2
= 36 in polar form.
A.
r
= 12 sin
B.
r
= -6 sin
C.
r
= -12 sin
D.
r
= 6 sin
Hint
10.
Write the equation 7
x
- 2
y
= 2 in polar form.
A.
B.
C.
D.
Hint
11.
Which of the following is the graph of the equation 4 = -
r
cos (
- 58°)?
A.
B.
C.
D.
Hint
12.
Simplify (2 - 4
i
)(-21 + 6
i
).
A.
12 + 84
i
B.
-42 - 24
i
C.
-18 + 96
i
D.
-19 + 2
i
Hint
13.
Express the complex number -9 – 4
i
in polar form.
A.
B.
C.
D.
Hint
14.
Another name for the absolute value of a complex number is the _______________.
A.
argument
B.
amplitude
C.
real part
D.
modulus
Hint
15.
Find the product
. Express the result in rectangular form.
A.
-54
i
B.
54
i
C.
-54
D.
54
Hint
16.
Find
.
A.
B.
C.
10
i
D.
1000
i
Hint