document.write( "Question 675116: How do you find the center and the foci of the conic section 25x2+50x-9y2-18y-209=0 \n" ); document.write( "

Algebra.Com's Answer #419605 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "Standard Form of an Equation of an Hyperbola opening right and  left is:
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document.write( "   with C(h,k) and vertices 'a' units right and left of center,   2a the length of the transverse axis
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document.write( "Foci are  units right and left of center along y = k
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document.write( "25x2+50x-9y2-18y-209=0   || putting into Standard form
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document.write( " 25(x+1)^2 - 9(y+1)^2 - 25 + 9 - 209 = 0
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document.write( " 25(x+1)^2 - 9(y+1)^2 = 225
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document.write( "center:  C(-1,1)
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document.write( "foci:  F(-1+,1)  and F(-1-,1) \n" );
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