Posted by **Vince** on Tuesday, June 7, 2011 at 2:39pm.

Write the equation of a hyperbola with a center at (-5, -3), vertices at (-5, -5) and (-5, -1) and co-vertices at (-11, -3) and (1, -3).

- EASY MATH -
**Reiny**, Tuesday, June 7, 2011 at 3:00pm
distance from centre (-5,-3) to vertex (-5,-1) is 2

so a = 2

distance from (-5,-3) to (1,-3) is 6,

so b=6

equation:

(x+5)^2 / 4 - (y+3)^2 / 36 = -1

- THANK YOU REINY! -
**Vince**, Tuesday, June 7, 2011 at 3:12pm
:-)

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