Answers TX-College Prep Math B Unit Test — Unit testQuestion 13

13

QuizMultiple Choice

Unit Test — Unit test

Question 13 • TX-College Prep Math B

Which values of x and y would make the following expression represent a real number?(4 + 5i)(x + yi)

Answer

A

x = 4, y = 5

B

x = –4, y = 0

C

x = 4, y = –5

D

x = 0, y = 5

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