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I need someone to help me with hyperbolas, I keep entering an answer but it comes up wrong every time.

Mathematics
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|dw:1343869629023:dw|
yep, those are the little f**kers
I need to find the vertices of the hyperbola: (y+@)^2/1 - (x+9)^2/9 = 1

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Other answers:

thats y+2 not y+@
Got this little chart from Paul's notes. It pretty much has all you need to know about hyperbolas =P
1 Attachment
In your case, k = -2, h = -9, b = 1, a = 3. So the vertices are (-9, -1) and (-9, -3).
says incorrect
1 Attachment
no idea why?
I should be correct. http://www.wolframalpha.com/input/?i=vertices+of+%28y%2B2%29^2%2F1+-+%28x%2B9%29^2%2F9+%3D+1
its what i got too...
missing a comma between the parenthesis
are you pelletting me...
computers can be soo picky
pelletting? lol
nice swear correction
it's the filter
iknow
Wow, I absolutely hate these types of online homeworks with a retarded computer.
yeah something so silly makes it completely wrong isn't fair, but oh well
AP Chemistry was so annoying because of UTexas, something similar to this.
just be sure to follow the rules, read the instructions, etc etc the best you can
thanks jim, your right
and check and double check everything
suprised i got to 98% of this program without knowing that
seems like this is probably the first time something like this has come up
Yeah, but you have to be super careful, or else you easily lose points on your homework. I remember every time I was so sure I was right, but the computer spat out a red "incorrect." It got very frustrating :/
it would be nice if it would say how/where you got it wrong, but computers aren't that smart (yet)
trying to make a joke, you math people are so hard to please...
lol that's true
we're very finicky...

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