AnswersCommon Core Algebra II A-ICWriting Polynomial Functions from Complex RootsQuestion 2
2
QuizMultiple Choice

Writing Polynomial Functions from Complex Roots

Question 2 of 10 • Common Core Algebra II A-IC

What is the polynomial function of lowest degree with lead coefficient 1 and roots i, –2, and 2?

Answer
A
f(x) = x3 – x2 – 4x + 4
B
f(x) = x4 – 3x2 – 4
C
f(x) = x4 + 3x2 – 4
D
f(x) = x3 + x2 – 4x – 4
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