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Hyperbolas help! What are the center, vertices, and foci...?

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Of the hyperbola with equation (x+1)^2/9 - (y+2)^2/25 =1 ?

Thank you so much!!!!!

asked May 30, 2013 in PRECALCULUS by johnkelly Apprentice

1 Answer

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The standard form of hyperbola is .

The equation of hyperbola is image.

So, the center of hyperbola is image and a = 3, b = 5.

The vertices are image.

The relation between a, b and c is image for hyperbola.

image                              (Substitute image)

image                               (Simplify)

The foci of hyperbola are image.

The center of hyperbola is image, vertices are image and its foci are

image.

answered May 30, 2013 by dozey Mentor

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