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The polynomial of degree 3, P(x), has a root of multiplicity 2 at x=1 and a root of multiplicity 1 at x=−3. The y-intercept is y=−0.3

find formula for P(x)  

 Mar 14, 2019
edited by Guest  Mar 14, 2019
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This is the answer 

(x) = a(x - 2)2(x + 5), a ≠ 0

 

Use the given point (0,-10) to find a.

 

-10 = a(0 - 2)2(0 + 5) = a(4)(5) = 20a

a = -10/20 = -1/2

 

P(x) = (-1/2)(x - 2)2(x + 5)

Your welcome

 Mar 14, 2019

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