Respuesta :

 The equation that defines the parabola with vertex at the point and focus at (0,-5) is

y = 20x²

What is a parabola?

  The parabola is a geometric shape that is formed from the intersection of a vertical plane in a cone.

  The parabola is a quadratic function, it is composed of a vertex, or inflection point, a focus and a directrix.

In this case we have the vertex of the parabola at the point (0,0) and the focus at the point (0,  -5) this is displaced on the y-axis upward, so the parabola is of the form.

y = x²

  Canonical equation

(y - yo) = 4p(x - xo)

  • Vertex  (0, 0)
  • xo, yo  = (0 , 0)

Focus:
f = (0, 0 + p)

  • 0 + p =-5
  • p = 0 - 5
  • p= -5

(y- 0) = 4*-5(x - 0)²

y = -20x²

Learn more about parabolas in:

https://brainly.com/question/11780596

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