travis098
travis098 travis098
  • 16-11-2020
  • Mathematics
contestada

What are the zeros of f(x) = x2 - x - 20?

Respuesta :

unknown9779
unknown9779 unknown9779
  • 16-11-2020

Answer:

(-4,0) and (5,0)

Step-by-step explanation:

Factor.

f(x) = x^2 -x - 20

Factors of -20 that when are added they equal -1

-5 and 4

(x-5) (x+4)

x=5 and x=-4

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