gruveyj gruveyj
  • 16-03-2020
  • Mathematics
contestada

F(x)=-3x+5x^2+8 has _______ roots

Respuesta :

PollyP52 PollyP52
  • 16-03-2020

Answer:

Complex roots.

Step-by-step explanation:

f(x) = 5x^2 - 3x + 8

The value of the discriminant will tell us how many roots and what type of roots this has:

b^2 - 4ac = (-3)^2 - 4*5*8

= 9 - 160

= -151.

This is negative so the equation  has 2 complex roots.

Answer Link
princessyessly princessyessly
  • 29-04-2020

Answer:2

Step-by-step explanation:

Answer Link

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