Asked by DeniseG
Find a polynomial of degree 3 with real coefficients and zeros of -3, -1, and 4, for which f(-2) = 24.
Answers
Answered by
Steve
y = a(x+3)(x+1)(x-4)
at x = -2, (x+3)(x+1)(x-4) = 18
so,
y = 4/3 (x+3)(x+1)(x-4)
at x = -2, (x+3)(x+1)(x-4) = 18
so,
y = 4/3 (x+3)(x+1)(x-4)
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