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OpenStudy (anonymous):
If (x + 2) is a factor of x3 − 6x2 + kx + 10, k =
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OpenStudy (anonymous):
help @prowrestler
OpenStudy (anonymous):
@Spyro517 @slayer8001
OpenStudy (anonymous):
Let f(x) = x^3 - 6x^2 + kx + 10 If (x + 2) is a factor then f(-2) = 0 (-2)^3 - 6(-2)^2 + k(-2) + 10 = 0 -8 - 24 -2k + 10 = 0 -2k - 22 = 0 -2k = 22 k = -11
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