Question

Which of the following polynomials has the lowest degree, a leading coefficient of 1, and -2 and 2 + 2i as roots?

Select one:
a. x3- 2x2+ 16
b. x3+ 2x2+ 16
c. x3- 2x2- 5x + 16
d. x3- 2x2- 16

Answer 1

its either c or d

Answer 2

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Answer 3

The correct answer is "a"

Answer 4

x^3-2x^2+16=0 has a leading coefficient of 1 an the roots are:
x1=-2 x2=2-2i x3=2+2i