**Q2: **

What is the value of ?

**Q3: **

The complex numbers are a field in part because .

- A is a real vector space
- B
- C for all
- Dfor every non-zero there is a such that

**Q4: **

What is the value of ?

**Q5: **

What is the real part of the complex number ?

**Q6: **

Which of the following statements will be true of two equal complex numbers?

- ATheir real parts will not be equal and their imaginary parts will be equal.
- BTheir real parts will be equal and their imaginary parts will not be equal.
- CTheir real parts will not be equal and their imaginary parts will not be equal.
- DTheir real parts will be equal and their imaginary parts will be equal.

**Q7: **

True or False: Any real number is also a complex number.

- ATrue
- BFalse

**Q8: **

Simplify .

- A1
- B
- C
- D

**Q9: **

What type of number is ?

- Apurely imaginary
- Breal
- Ccomplex

**Q10: **

Add 4 to .

- A
- B
- C
- D
- E

**Q11: **

If is an imaginary number, what is the value of ?

**Q12: **

If , which of the following statements is correct?

- A ,
- B ,
- C ,
- D ,
- E ,

**Q13: **

What is the imaginary part of the complex number ?

**Q14: **

Is the following statement true or false: Any complex number is also a real number.

- Afalse
- Btrue

**Q15: **

If is a real number, what is the value of ?

**Q16: **

What is the value of ?

- A
- B
- C1
- D

**Q17: **

Is the following statement true or false: Any imaginary number is also a complex number.

- Atrue
- Bfalse

**Q18: **

If , what is ?