92000865 92000865
  • 17-06-2021
  • Mathematics
contestada

A parabola can be represented by the equation x2 = –20y.

What are the coordinates of the focus of the parabola?

(–5,0)
(5,0)
(0,5)
(0,–5)

Respuesta :

Аноним Аноним
  • 17-06-2021

Answer:

[tex] {x}^{2} = - 20y \\ y = - \frac{1}{20} {x}^{2} \\ { \tt{y = 4a {x}^{2} }} \\ a = - \frac{1}{5} \\ \\ { \tt{focus = (0, \: - 5)}}[/tex]

Answer Link

Otras preguntas

Calculate the steepness of the line passing through the points (4, 24) and (10, 12).
How did roman law safeguard the rights of individuals?
is it true or falseThe Mongols were defeated when they tried to expand into Africa in 1296.
Some English gardens feature a winding path called a(n) ___. A. serpentine B. feline C. bovine D. apiary
Rank these graphs on the basis of the angular acceleration of the object. Rank positive angular accelerations as larger than negative angular accelerations
what times itself equals 32
How to dilate by 1/3 using center (0,0)
Which verb agrees in number with its subject? Near the edge of the garden __________ a rose. A. have grown B. were growing C. grows D. grow
A synonym for "loveable" is empathetic. amiable. euphonious. sentimental.
Under which type of government would state or provincial governments have the most sovereignty?