Question

Can someone please tell me if I got the right answer?

x^2 + y^2= 25

x^2 -y^2
--- --- = 1
5^2 5^2

Answer 1

x^2 + y^2 = r^2 r = 25
to find x, y you either need an angle, or given x or y

Answer 2

r =5

Answer 3

you got the right answer

there, I said it hehe

anyhow, yes, but is +, no -
for the fractions, which btw are just a circle, or a "round ellipse" for that matter