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Mathematics 19 Online
OpenStudy (anonymous):

how do you find the foci of a hyperbola??

OpenStudy (amistre64):

look at it real close like

OpenStudy (amistre64):

it is the distance from the directix to the ...something or another

OpenStudy (anonymous):

do you add the c value to the x of the center point, then subtract it from the x value??

OpenStudy (amistre64):

if you have an equation i can show you better; or i can try to draw it

OpenStudy (amistre64):

OpenStudy (amistre64):

x^2 y^2 --- - ---- = 1 ; hyperbola equation of this a^2 b^2

OpenStudy (anonymous):

the center is (1, -3) yes

OpenStudy (amistre64):

the same info when it opens up.down except that the x^2 and y^2 change sports

OpenStudy (amistre64):

spots even lol

OpenStudy (anonymous):

ok well the y is first so does it open down?

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