AnswersAdvanced Algebra Concepts and Connections_TC_Online LearningUnit Test — Cumulative examQuestion 18
18
RCMultiple Choice

Unit Test — Cumulative exam

Question 18 • Advanced Algebra: Concepts and Connections_TC_Online Learning

Which pair of complex numbers has a real-number product?

Answer
A
(1 + 3i)(6i)
B
(1 + 3i)(2 – 3i)
C
(1 + 3i)(1 – 3i)
D
(1 + 3i)(3i)
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