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December 4, 2005
algebrapolynomialproduct of roots

Problem Statement

The polynomial P(x) \equal{} x^3 \plus{} ax^2 \plus{} bx \plus{} c has the property that the mean of its zeros, the product of its zeros, and the sum of its coefficients are all equal. If the y y-intercept of the graph of y \equal{} P(x) is 2, what is b b? (A) \ \minus{} 11 \qquad (B) \ \minus{} 10 \qquad (C) \ \minus{} 9 \qquad (D) \ 1 \qquad (E) \ 5