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13-03-2018
Mathematics

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What are the zeros of the polynomial function?

f(x)=x^2+9x+20

Enter your answers in the boxes.

What are the zeros of the polynomial function fxx29x20 Enter your answers in the boxes class=

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13-03-2018

First compute the discriminant delta:
9^2-4*1*20=1.
Using the quadratic formula, we get the solutions:
[tex] \frac{-9-1}{2} =-5\\ \frac{-9+1}{2}=-4 [/tex]
the solutions are then -4 and -5.

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