Register
What are the foci of the graph y2 – 25x2 = 25?
6.3k views
5 votes
What are the foci of the graph y2 – 25x2 = 25?

User Jerryleooo
by
7.7k points

1 Answer

1 vote

Answer:
\bold{(0,-√(26))\quad \&\quad (0,√(26))}

Explanation:


.\qquad y^2-25x^2=25\\\\\implies (y^2)/(25)-(25x^2)/(25)=(25)/(25)\\\\\\\implies (y^2)/(25)-(x^2)/(1)=1\\\\\\Center: (0, 0)\\Length\ of\ foci:25+1=c^2\implies √(26)=c\\Foci: (0,0\pm √(26))

User Mfudi
by
7.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.7m questions

11.3m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!