Unit Test #34

Select your answers to the following 5 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 

What is the value of ?

A. -1

B. 1

C. √1

D. √-1

Answer 1:

 

Q2:

Solve the equation x2 + 16 = 0

A.16i

B. -4i

C. ±4i

D.√4i

Answer 2:

 

 

Q3:

 

is a member of which number set?

A. real

B. complex

C. irrational

D. rational

Answer 3:

 

 

Q4:

 

The imaginary part of the complex number z = 3 - 2i is

A. 3

B. -2i

C. 2

D. -2

Answer 4:

 

 

Q5:

 

Solve the equation x2 + 6x + 10 = 0

A. 3 ± i

B. -3 ± i

C. 3 ± 3i

D. -3 ± 4i

Answer 5: