5.2.3 Operations with Complex Numbers - Practice
1. Graph the complex number. − 3 − 2 i
2. Find | − 3 + 6 i| .
4. Identify the product in the form a + bi . (5 − 8 i )(3 − i )
3. Identify the sum in the form a + bi . (8 − i ) + ( − 11 + 5 i )
6. Identify the quotient in the form a + bi . + − − i i 2 3 4
5. Simplify. 3 i 23
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