Worksheets0B2 Week 3 MCQ Quiz
Total questions: 7
Worksheet time: 3mins
Name
Class
Date
1.
What complex number is this the argand diagram of?
a)
-2-4i
b)
-2+4i
c)
-4-2i
d)
-4+2i
2.
What is the range for the principle argument of complex number z.
a)
0≤ arg(z)<2π
b)
− π ≤ arg(z)<π
c)
0< arg(z)≤ 2π
d)
−π < arg(z)≤ π
3.
Is the following statement true or false?:
The complex number represented by this Argand diagram has a negative principal argument.
a)
True
b)
False
4.
Given a complex number z=a+bi with arg (z)=φ , which of the following are true (and hence, can be used to compute φ )?
a)
a
b)
b
c)
c
d)
d
5.
Calculate the modulus ∣z∣ of z=−3−6i.
a)
a
b)
b
c)
c
d)
d
6.
Suppose that u and v are complex numbers such that ar(u)=3.1 and arg(v)=0.5. What is arg(uv)
a)
a
b)
b
c)
c
d)
d
7.
Is the following statement true or false?
"Given a a complex number z=a+bi , eaebi is the exponential form of z."
a)
True
b)
False
100 %
