Which is the Equation shown by the graph?

- anonymous

Which is the Equation shown by the graph?

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- anonymous

- Nnesha

do you know the standard form of ellipse ?

- anonymous

no

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## More answers

- Nnesha

\[\huge\rm \frac{ (x-h)^2 }{ a^2 } +\frac{ (y-k)^2 }{ b^2 }\] standard form of ellipse
if a is under the x then it would be horizontal
and if a is under y then graph would be vertical |dw:1439072800559:dw||dw:1439072820181:dw|

- Nnesha

by just looking at the standard form of the equation you can eliminate 2 answer choices

- anonymous

so it is vertial

- Nnesha

yes right

- anonymous

which two are eliminated then?

- Nnesha

\[\huge\rm \frac{ (x-y)^2 }{ a^2 } - \frac{ (y-k)^2 }{ b^2 }\]
this is standard form equation of *hyperbola*
only difference is the sign between both fractions

- Nnesha

and sorry i forgot to tell
a=always bigger than b

- anonymous

im still confused on what the answer is though

- Nnesha

reread my comments you will get the answer :=)

- anonymous

...no..

- anonymous

idk what a stands for

- Nnesha

do you know the difference between ellipse and hyperbola graph ?

- anonymous

no

- Nnesha

a represents bigger number

- Nnesha

do you know anything about ellipse equations ?

- anonymous

nope

- Nnesha

surprising

- anonymous

...why

- Nnesha

bec you don't know the introduction of conic section which supposed to be ur h.w

- Nnesha

|dw:1439073497169:dw|\[\huge\rm \frac{ (x-y)^2 }{ a^2 } - \frac{ (y-k)^2 }{ b^2 }\]
this is standard form equation of *hyperbola*
that's how the graph looks like

- anonymous

I just asked for help, if you aren't going to help please don't waste my time I just wanted to learn how, not be insulted with sarcasm thank you.

- Nnesha

and here is graph of ellipse equation |dw:1439073570566:dw|\[\huge\rm \frac{ (x-y)^2 }{ a^2 } \color{reD}{+} \frac{ (y-k)^2 }{ b^2 }\]

- Nnesha

i'm not insulting you
sorry if you take it that way.

- Nnesha

so now can you find the difference between both equations ?

- Nnesha

and sorry i asked few questions so i can get an idea where to start
sorry if u mind..

- anonymous

i got x^2/4+y^2/16=1

- Nnesha

hm
given graph of ellipse is vertical right ?

- anonymous

yeah

- Nnesha

yes right so bigger number should be under the y value and
there is plus sign so that's right!

- anonymous

thank you for your help

- Nnesha

my pleasure.
B and D can't be the answer bec those 2 are hyperbola equations

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