rosefire2004 rosefire2004

15-05-2020
Mathematics

contestada

Find the x-intercepts of the following polynomial function''
f (x) = x^2 - 2x - 80

Find the xintercepts of the following polynomial function f x x2 2x 80 class=

Respuesta :

profarouk profarouk

19-05-2020

Answer:

(-8 , 0)

(10 , 0)

Step-by-step explanation:

(-8)^2 - 2(-8) - 80 = 0

(10)^2 - 2(10) - 80 = 0

then (-8 , 0) and (10 , 0) are x-intercepts Of the polynomial f

the others are not because (for instance):

(8)^2-2(8)-80 =

:)-32

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