The knowledge and skills you are responsible for on this quiz are:

The examples we did in class can be downloaded here;

• Adding complex numbers
• Multiplying complex numbers
• Graphing complex numbers

1. (3 + 2i) + (4 - i) =

2. (-3.5 + 0.2i) + (1 + .45i) =

3. (.83 + .4i) + (.25 - .32i) =

4. (3 + 2i)(4 - i) =

5. (-3.5 + 0.2i)(1 + .45i) =

6. (.83 + .4i)(.25 - .32i) =

7. Plot each of these on a complex plane, and label them:

a. 3 + 2i

b. -3.5 + 0.2i

c. .25 - .32i

Solutions