labarmakenzie9114 labarmakenzie9114
  • 22-04-2020
  • Mathematics
contestada

A parabola intersects the xxx-axis at x=3x=3x, equals, 3 and x=9x=9x, equals, 9.

Respuesta :

Newton9022 Newton9022
  • 26-04-2020

Answer:

[tex]x^2-12x+27 =0[/tex]

Step-by-step explanation:

Given a Parabola that intersects the x-axis at x=3 and x=9.

I presume you want to determine the equation of the parabola.

You can use this form:

Given roots of a parabola, the equation of the parabola is derived using the formula:

[tex]x^2-($Sum of Roots)x+Product of Roots =0\\Since roots are 3 and 9, the equation becomes:\\x^2-(3+9)x+(3X9) =0\\x^2-12x+27 =0[/tex]

The equation of the parabola is:

[tex]x^2-12x+27 =0[/tex]

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