Question

can somebody please check my answers? :) (attached)

Answer 1

For the first one, according to my trusted book, a hyperbola has a negative sign between the two terms on left hand side.

Answer 2

so is 1 incorrect? @chaguanas

Answer 3

It looks like this \[\frac{ (x-h)^{2} }{ a ^{2} }-\frac{ (y-k)^{2} }{ b ^{2} }=1\]I meant to say, it has negative between y-k

Answer 4

oh ok thanks, i'm confused. so it is correct or its not?

Answer 5

you got them all right.

Answer 6

thanks @Mertsj :)

Answer 7

yw