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

Answer:

b.) -3

Step-by-step explanation:

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

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

$1, -3, 3 = x$

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