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 is the negative of -1/3 and why??
A hiking club has 9 members. How many ways can they choose a president, vice president, secretary, and treasurer from among the members?
The novel Uncle Tom’s Cabin, which effectively the unfairness toward black people, was a major influence in the antislavery movement. (A) portrayed…strengthenin
what is a similar quote for Romeo and Juliet "my bounty is as boundless as the sea . My love as deep , the more i give to thee , the more i have , for both are
Given that 500w = 3 * 700, find the value of w.
The novel Uncle Tom’s Cabin, which effectively the unfairness toward black people, was a major influence in the antislavery movement. (A) portrayed…strengthenin
If (3+y)/y=7, then y= Please help :)
What are preventable injuries and unpreventable injuries
what other areas did the french explorers find
What type of reaction occurs when you strike a match?