prodmindset prodmindset

17-05-2018
Mathematics

contestada

What is the sum of the roots of the polynomial shown below f(x)=x^3-4x^2-11x+30

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sqdancefan sqdancefan

18-05-2018

The sum of the roots of a cubic is the opposite of the coefficient of the squared term (provided that the leading coefficient is 1).

The sum of the roots is -(-4) = 4.

_____
The graph shows the roots to be -3, 2, 5, whose sum is 4.

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Chucky410 Chucky410

26-05-2020

Answer:

-3

Step-by-step explanation:

A P E X

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