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center+4x^2+9y^2-16x+18y=11	center\:+4x^{2}+9y^{2}-16x+18y=11
center (x^2)/4+(y^2)/9 =1	center\:\frac{x^{2}}{4}+\frac{y^{2}}{9}=1
center 8x^2+2y^2+16x=1	center\:8x^{2}+2y^{2}+16x=1
center 25x^2+16y^2+50x-64y-311=0	center\:25x^{2}+16y^{2}+50x-64y-311=0
center 4x^2+9y^2-16x-18y-11=0	center\:4x^{2}+9y^{2}-16x-18y-11=0
center ((x-7)^2)/(25)+((y-6)^2)/(39)=1	center\:\frac{(x-7)^{2}}{25}+\frac{(y-6)^{2}}{39}=1
center ((x-1)^2)/(100)+((y-2)^2)/(36)=1	center\:\frac{(x-1)^{2}}{100}+\frac{(y-2)^{2}}{36}=1
center (x^2)/(100)+(y^2)/(64)=1	center\:\frac{x^{2}}{100}+\frac{y^{2}}{64}=1
center 4x^2+5y^2-2x+78y-83=x-3y+3	center\:4x^{2}+5y^{2}-2x+78y-83=x-3y+3
center 135x^2+256y^2-34560=0	center\:135x^{2}+256y^{2}-34560=0
center 9x^2+4y^2=25	center\:9x^{2}+4y^{2}=25
center 9x^2+25y^2+108x-200y+499=0	center\:9x^{2}+25y^{2}+108x-200y+499=0
center ((x-5)^2)/(49)+((y-9)^2)/(25)=1	center\:\frac{(x-5)^{2}}{49}+\frac{(y-9)^{2}}{25}=1
center 4x^2+9y^2=25	center\:4x^{2}+9y^{2}=25
center 3x^{(2)}+2y^{(2)}-12x+8y+19=0	center\:3x^{(2)}+2y^{(2)}-12x+8y+19=0
center (x^2)/9+(y^2)/(16)=1	center\:\frac{x^{2}}{9}+\frac{y^{2}}{16}=1
center 3x^2+y^2+2x-6y=3	center\:3x^{2}+y^{2}+2x-6y=3
center x^2+((y+2)^2)/4 =1	center\:x^{2}+\frac{(y+2)^{2}}{4}=1
center x^2+9y^2-14x+36y+49=0	center\:x^{2}+9y^{2}-14x+36y+49=0
center ((x-1)^2)/(36)+((y-1)^2)/(25)=1	center\:\frac{(x-1)^{2}}{36}+\frac{(y-1)^{2}}{25}=1
center x^2+4y^2+8y=0	center\:x^{2}+4y^{2}+8y=0
center (x^2)/9+(y^2)/5 =1	center\:\frac{x^{2}}{9}+\frac{y^{2}}{5}=1
center 4x^2+9y^2-8x-36y+4=0	center\:4x^{2}+9y^{2}-8x-36y+4=0
center ((x+2)^2)/9+((y-4)^2)/(25)=1	center\:\frac{(x+2)^{2}}{9}+\frac{(y-4)^{2}}{25}=1
center 2x^2+2y^2+4y=0	center\:2x^{2}+2y^{2}+4y=0
center (x^2}{16}+\frac{y^2)/7 =1	center\:\frac{x^{2}}{16}+\frac{y^{2}}{7}=1
center x^2+4x+4y^2-8y+4=0	center\:x^{2}+4x+4y^{2}-8y+4=0
center (x^2)/9+y^2=1	center\:\frac{x^{2}}{9}+y^{2}=1
center 9x^2+4y^2+54x-8y+49=0	center\:9x^{2}+4y^{2}+54x-8y+49=0
center ((x-3)^2)/(25)+((y+2)^2)/(36)=1	center\:\frac{(x-3)^{2}}{25}+\frac{(y+2)^{2}}{36}=1
center (x^2)/(a^2)+(y^2)/(a^2)=1	center\:\frac{x^{2}}{a^{2}}+\frac{y^{2}}{a^{2}}=1
center 16x^2+25y^2-128x+150y+81=0	center\:16x^{2}+25y^{2}-128x+150y+81=0
center 11x^2+3x+3y^2+11y=0	center\:11x^{2}+3x+3y^{2}+11y=0
center 16x^2+81y^2=81	center\:16x^{2}+81y^{2}=81
center 9x^2+16y^2-18x+96y-279=0	center\:9x^{2}+16y^{2}-18x+96y-279=0
center 4x^2+9y^2-24x-36y=-36	center\:4x^{2}+9y^{2}-24x-36y=-36
center 20x^2-16y^2-40x128x-556=0	center\:20x^{2}-16y^{2}-40x128x-556=0
center ((x+1)^2)/4+((y-2)^2)/9 =1	center\:\frac{(x+1)^{2}}{4}+\frac{(y-2)^{2}}{9}=1
center 9x^2+16y^2+126x+96y+441=0	center\:9x^{2}+16y^{2}+126x+96y+441=0
center 4x^2+y^2+8x+2y-31=0	center\:4x^{2}+y^{2}+8x+2y-31=0
center ((x+5)^2)/(49)+((y-2)^2)/(81)=1	center\:\frac{(x+5)^{2}}{49}+\frac{(y-2)^{2}}{81}=1
center ((x-3)^2)/(16)+((y+1)^2)/(36)=1	center\:\frac{(x-3)^{2}}{16}+\frac{(y+1)^{2}}{36}=1
center (x^2)/4+y^2=1	center\:\frac{x^{2}}{4}+y^{2}=1
center 5x^2+9y^2-10x+4=0	center\:5x^{2}+9y^{2}-10x+4=0
center 3x^2+4y^2=12	center\:3x^{2}+4y^{2}=12
center (x^2)/7+(y^2)/(16)=1	center\:\frac{x^{2}}{7}+\frac{y^{2}}{16}=1
center 25(x-2)^2+9(y+3)^2=225	center\:25(x-2)^{2}+9(y+3)^{2}=225
center 9x^2+25y^2-36x-50y+60=0	center\:9x^{2}+25y^{2}-36x-50y+60=0
center ((x+5)^2)/5+((y+3)^2)/3 =1	center\:\frac{(x+5)^{2}}{5}+\frac{(y+3)^{2}}{3}=1
center (x^2)/(36)+(y^2)/(121)=1	center\:\frac{x^{2}}{36}+\frac{y^{2}}{121}=1
center 9x^2+4y^2-18x-16y-11=0	center\:9x^{2}+4y^{2}-18x-16y-11=0
center ((x+5)^2)/5+((y+9)^2)/9 =1	center\:\frac{(x+5)^{2}}{5}+\frac{(y+9)^{2}}{9}=1
center 9x^2+18x+4y^2-24y+9=0	center\:9x^{2}+18x+4y^{2}-24y+9=0
center x^2+y^2-2y=0	center\:x^{2}+y^{2}-2y=0
center 4x^2+9y^2=144	center\:4x^{2}+9y^{2}=144
center ((x+4)^2}{16}+\frac{(y-2)^2)/9 =1	center\:\frac{(x+4)^{2}}{16}+\frac{(y-2)^{2}}{9}=1
center x^2-8x+8y^2+12y=0	center\:x^{2}-8x+8y^{2}+12y=0
center ((x-1)^2)/9+((y+1)^2)/4 =1	center\:\frac{(x-1)^{2}}{9}+\frac{(y+1)^{2}}{4}=1
center 9x^2+25y^2=225	center\:9x^{2}+25y^{2}=225
center x^2+y^2+2x-2x+6y=0	center\:x^{2}+y^{2}+2x-2x+6y=0
center ((x+3)^2)/9+((y-1)^2)/(25)=1	center\:\frac{(x+3)^{2}}{9}+\frac{(y-1)^{2}}{25}=1
center ((x+3)^2)/(25)+((y-8)^2)/(16)=1	center\:\frac{(x+3)^{2}}{25}+\frac{(y-8)^{2}}{16}=1
center x^2+4y^2-6x+20y-2=0	center\:x^{2}+4y^{2}-6x+20y-2=0
center 19x^2+y^2=38	center\:19x^{2}+y^{2}=38
center x^2+y^2+10y=0	center\:x^{2}+y^{2}+10y=0
center 36x^2+9y^2+36y-288=0	center\:36x^{2}+9y^{2}+36y-288=0
center ((x-3)^2)/(25)+((y+2)^2)/(16)=1	center\:\frac{(x-3)^{2}}{25}+\frac{(y+2)^{2}}{16}=1
center x^2+7x+3y^2+y=0	center\:x^{2}+7x+3y^{2}+y=0
eccentricity 9x^2+4y^2=36	eccentricity\:9x^{2}+4y^{2}=36
eccentricity 9X^2+4Y^2=36	eccentricity\:9X^{2}+4Y^{2}=36
eccentricity 41x^2+16y^2+246x-192y+289=0	eccentricity\:41x^{2}+16y^{2}+246x-192y+289=0
eccentricity (x^2)/9+(y^2)/(25)=1	eccentricity\:\frac{x^{2}}{9}+\frac{y^{2}}{25}=1
eccentricity 25x^2+16y^2=400	eccentricity\:25x^{2}+16y^{2}=400
eccentricity x^2+4y^2-6x-16y+21=0	eccentricity\:x^{2}+4y^{2}-6x-16y+21=0
eccentricity (x^2)/(16)+(y^2)/(12)=1	eccentricity\:\frac{x^{2}}{16}+\frac{y^{2}}{12}=1
eccentricity x^2+3y^2=1	eccentricity\:x^{2}+3y^{2}=1
eccentricity (x^2)/9+(y^2)/(16)>1	eccentricity\:\frac{x^{2}}{9}+\frac{y^{2}}{16}>1
eccentricity (x^2)/(64)+(y^2)/(100)=1	eccentricity\:\frac{x^{2}}{64}+\frac{y^{2}}{100}=1
eccentricity (x^2)/(100)+(y^2)/(64)=1	eccentricity\:\frac{x^{2}}{100}+\frac{y^{2}}{64}=1
eccentricity 9x^2+25y^2-36x-50y+60=0	eccentricity\:9x^{2}+25y^{2}-36x-50y+60=0
eccentricity 81x^2-1296x+16y^2+64y=-3952	eccentricity\:81x^{2}-1296x+16y^{2}+64y=-3952
eccentricity 3x^2+y^2-24x+39=0	eccentricity\:3x^{2}+y^{2}-24x+39=0
eccentricity 9x^2+16y^2=144	eccentricity\:9x^{2}+16y^{2}=144
eccentricity 4x^2+y^2+8x-4y+4=0	eccentricity\:4x^{2}+y^{2}+8x-4y+4=0
eccentricity 4x^2-16x+3y^2+24y+52=0	eccentricity\:4x^{2}-16x+3y^{2}+24y+52=0
eccentricity x^2+8y^2=32	eccentricity\:x^{2}+8y^{2}=32
eccentricity 4x^2+9y^2-36=0	eccentricity\:4x^{2}+9y^{2}-36=0
eccentricity 3x^2+2y^2+6x-4y+5=18	eccentricity\:3x^{2}+2y^{2}+6x-4y+5=18
eccentricity 4x^2+y^2-8x+4y-8=0	eccentricity\:4x^{2}+y^{2}-8x+4y-8=0
eccentricity 3x^2+6y^2=18	eccentricity\:3x^{2}+6y^{2}=18
eccentricity 9x^2+16y^2-54x+64y+1=0	eccentricity\:9x^{2}+16y^{2}-54x+64y+1=0
eccentricity 4x^2+9y^2=36	eccentricity\:4x^{2}+9y^{2}=36
eccentricity 4x^2+3y^2-24x+18y+51=0	eccentricity\:4x^{2}+3y^{2}-24x+18y+51=0
eccentricity (x^2)/(36)+(y^2)/(49)=1	eccentricity\:\frac{x^{2}}{36}+\frac{y^{2}}{49}=1
eccentricity (x^2)/9+(y^2)/4 =1	eccentricity\:\frac{x^{2}}{9}+\frac{y^{2}}{4}=1
eccentricity x^2+2y^2=2	eccentricity\:x^{2}+2y^{2}=2
eccentricity+36x^2+y^2=36	eccentricity\:+36x^{2}+y^{2}=36
eccentricity (x-1)^2+(y-2)^2=30	eccentricity\:(x-1)^{2}+(y-2)^{2}=30
eccentricity (x^2}{16}+\frac{y^2)/7 =1	eccentricity\:\frac{x^{2}}{16}+\frac{y^{2}}{7}=1
eccentricity ((x-1)/4)^2+((y+2)/3)^2=1	eccentricity\:(\frac{x-1}{4})^{2}+(\frac{y+2}{3})^{2}=1

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