stunnaray03 stunnaray03
  • 08-07-2020
  • Mathematics
contestada

Which point is an x-intercept of the quadratic function f(x)=(x+6)(x-3)

Respuesta :

alij94705
alij94705 alij94705
  • 14-07-2020

Answer:

you need to substitute f(x)=0, there are two possible answers: x1=-6, x2=3

Step-by-step explanation:

[tex]f(x) = (x + 6)(x - 3) \\ f(x) = 0 \\ 0 = (x + 6)(x - 3) \\ swap \: it \\ (x + 6)(x - 3) = 0 \\ x + 6 = 0 \\ x - 3 = 0 \\ x = - 6 \\ x = 3 \\ x1 = - 6 \\ x2 = 3[/tex]

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