Saturday, November 30, 2013

Use the Rational Zero Test to list all possible rational zeros of f. f(x)=x^3-4x^2-4x+16

since the leading coefficient is 1, we only look at the constant terms factors
16:
1, -1, 2, -2, 4, -4, 8, -8, 16, -16
in fact toe actual zeros are -2, 2, and 4

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