1. What does i2 equal? 1 -1 i
Don’t know

2. z and w are equal when z=3+4i and w=6+8i
True
False
Don’t know

3. If z=a+ib then what is b known as?
Real part of z
Constant part of z
Imaginary part of z
None of these

4. If z=4+7i, find Re(z), Im(z) and |z|.1. 1 2 3 4 5 2. 3. 4.
Don’t know 5.

5. If z=-3+4i and w=2-6i, find 2z+w.

6. If z=-3+4i and w=2-6i, find zw.
None of these

7. If z=6+2i and w=-2+4i, find . 1. 1 2 3 4 2. 3.
None of the above 4.

8. If z=-3+4i and w=2-6i, find |z-w|.1. 1 2 3 4 2. 3. 4.

9. If z=-3+2i, find . 13 5
13-12i
5+12i

10. Find the roots of the equation .1. 1 2 3 4 2. 3. 4.

11. Which of the following graphs represents z=3-2i?1. 3. 1 2 3 4 2. 4.

12. If z=a+ib in Cartesian form, what does z equal in polar form?1. 1 2 3 4 2. 3. 4.

13. Find the polar coordinate form of z=4+2i.1 2 3 4 1. 2. 3. 4.

14. Which of the following are true if and1. 1 2 3 4 2.
Both of the above 3.
Neither of the above 4.

15. Find a complex number expression in Cartesian form for .

16. Which of the following are correct?1. 1 2 3 4 2. 3. 4.

17. Which of the following is known as De Moivre’s theorem if p is a rational number?1. 1 2 3 4 2. 3. 4.

18. Find all the values of 271/3. 1. 1 2 3 4 2. 3. 4.