jlasombra
jlasombra jlasombra
  • 02-06-2017
  • Mathematics
contestada

Find the center, vertices, and foci of the ellipse with equation 5x2 + 9y2 = 45.

Respuesta :

3mar 3mar
  • 02-06-2017

5x^2 + 9y^2 = 45


÷45

x^2/9 + y^2/5 = 1


center=(0,0)

vertices=(+a,0) and (-a,0)
             =(3,0) and (-3,0)

 a^2=b^2+c^2
c^2=9-5=4
c=2

foci = (+c,0) and (-c,0)
       = (2,0) and (-2,0)

I hope that helps!



Ver imagen 3mar
Answer Link
Аноним Аноним
  • 17-01-2019

Answer:

D

Step-by-step explanation:


Ver imagen Аноним
Answer Link

Otras preguntas

What were the contributions of the Harappan civilization?
What's 5 divided by x squared explain
The ______ was established in 1943 to assist in the transition from a peacetime to a wartime economy ?
Does an owl have a backbone?
The ______ was established in 1943 to assist in the transition from a peacetime to a wartime economy ?
What's 5 divided by x squared explain
Does an owl have a backbone?
What all the multiples of 81?
Factor the expression. If the expression cannot be factored, say so.
josh wanted to buy a bicycle but didn't have enough money. After josh told his troubles to sam slick, sam said,"I can fix that. see that fence? each time you ju