MATH 128 Baltimore City Community College Complex Zeros Questions

Question 4< >
B0/1 pt 52 99 0 Details
Perform the indicated operation & simplify. Express the answer as
a complex number.
( – 12i)(4i)
=
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Question 3
< >
B0/1 pt 52 99 0 Details
Perform the indicated operations & simplify.
Add: (22 – 9i) + (19 + 17i)
sum =
Subtract: (22 – 9i) – (19 + 17i)
difference
=
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Question 5
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B0/1 pt 52 99 0 Details
Simplify.
=
(4 + 3i)(4 – 3i)
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Section 3.6
Score: 1/13 1/13 answered
Done
6 VO
Question 2
く
>
50/1 pt 52 99 0 Details
Express 8+ V144 as a complex number
8+
144 =
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Question 6
< >
50/1 pt 52 99
Details
Perform the indicated operation & simplify. Express the answer as a
complex number.
(9 – i)(5 + 7i) =
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