Quiz 1 (complex Numbers)

12 Questions  Settings  This is a complex numbers quiz. There are altogether 12 questions; maximum recommended time limit for completion is 4 minutes (or 20 seconds per question). NO CALCULATORS SHALL BE USED. Peace. A WHITE GROUP MATHEMATICS CREATION (www. Whitegroupmaths. Com)

• 1.
Express in the form .
• A.
• B.
• C.
• D.
• 2.
For the equation where z denotes a variable complex number in Argand space, what is the radius of the circle represented by this loci?
• A.

It is not a circle but a perpendicular bisector

• B.

2 units

• C.

units

• D.

1 unit

• 3.
If what is
• A.

Not possible to tell

• B.

2cos

• C.
• D.
• 4.
• A.

True

• B.

False

• 5.
What is (2+i)(2-i)(3+i)(3-i) ?
• A.

30

• B.

40

• C.
• D.

50

• 6.
If     ,  what is the value of
• A.

0

• B.

1

• C.

2

• D.

6

• 7.
What is the value of
• 8.
If   what is the value of
• A.
• B.
• C.
• D.
• 9.
The roots of this quadratic equation   are where k is a positive integer. What is the value of k?
• 10.
The equation must have 3 pairs of complex conjugate roots.
• A.

True

• B.

False

• 11.
• 12.
, where a is an integer. What is the value of a?
More Complex Numbers Quizzes
Related Topics