Question

Which of the following is a root of the polynomial shown below?

f(x)=x^3-x^2-9x+9


a.) 2

b.) -3

c.) -9

d.) 9

Answer 1

b.) -3

Explanation:

`[x - 3][x + 3][x - 1] >> Factored \: Form`

Setting the expression equal to zero will give you these roots:

`1, <strong>-3</strong>, 3 = x`

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