morganv3 morganv3
  • 08-10-2020
  • Mathematics
contestada

What are the x-intercepts of this function? f(x)=-9x^2+3x1

Respuesta :

hnori22003
hnori22003 hnori22003
  • 08-10-2020

[tex] - 9 {x}^{2} + 3x = 0 [/tex]

[tex]3x( - 3x + 1) = 0[/tex]

[tex]3 x = 0 \\ x = 0[/tex]

And

[tex] - 3x + 1 = 0 \\ - 3x = - 1 \\ x = \frac{ - 1}{ - 3} \\ x = \frac{1}{3} [/tex]

So the x-intercepts are :

[tex]x = 0 \: \: \: \: \: and \: \: \: \: \: x = \frac{1}{3} \\ [/tex]

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