1.
Express the complex number -4 - 3
i
in polar form.
A.
B.
C.
D.
Hint
2.
Express
in rectangular form.
A.
B.
C.
D.
Hint
3.
The force on an object is represented by the complex number 8 + 7
i
, where the components are measured in newtons. What is the magnitude of the force?
A.
about 10.63 N
B.
about 56.13 N
C.
about 15.67 N
D.
about 1.09 N
Hint
4.
Another name for the complex plane is the _________ plane.
A.
rectangular
B.
Argand
C.
Cartesian
D.
polar
Hint
5.
Another name for the absolute value of a complex number is the _______________.
A.
amplitude
B.
real part
C.
argument
D.
modulus
Hint