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OpenStudy (anonymous):
Find the Foci for this Hyperbola: 16x^2-16y^2+128x-96y+368=0
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OpenStudy (loser66):
first complete the square, can you do it?
OpenStudy (anonymous):
No that's why I'm asking you guys
OpenStudy (loser66):
I want to confirm the last number, it's +368 or -368?
OpenStudy (anonymous):
+368
OpenStudy (loser66):
ok divide both sides by 16, what do you have?
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OpenStudy (anonymous):
0 and 23?
OpenStudy (loser66):
nope, divide all terms, like 16x^2/16 =x^2 16y^2/16 = y^2 and so on.
OpenStudy (anonymous):
oh ok
OpenStudy (loser66):
|dw:1373286859024:dw|get this part?
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