Answers Algebra 2 PretestQuestion 9

9

lesson pretestMultiple Choice

Pretest

Question 9 • Algebra 2

The real root of the equation x cubed minus 7 x squared plus 15 x minus 25 is equal to 0 is 5 What are the nonreal roots?

Answer

A

1 plus 2 i comma 1 minus 2 i

B

negative 16 i comma 16 i

C

2 minus 4 i comma 2 plus 4 i

D

negative 4 i comma 4 i

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The real root of the equation x cubed minus 7 x…