(x-h)² + (y-k)²=r²
(x-4)² + (y-5)²=4²
(x-4)² + (y-5)²=16
x²-8x+16+y²-10y+25=16
x²+y²-8x - 10y+41-16=0
x²+y²-8x - 10y+27=0
(x-h)² + (y-k)²=r²
(x-3)² + (y+2)²=5²
(x-3)² + (y+2)²=25
x²-6x+9+y²+4y+16=25
x²+y²-6x +4y+13-25=0
x²+y²-6x - 4y-12=0
(x-h)² + (y-k)²=r²
(x-0)² + (y+1)²=4²
(x-0)² + (y+1)²=4
x²-0x+0+y²+2y+1=4
x²+y²-0x +2y+1-4=0
x²+y²-0x +2y-3=0
(x-h)² + (y-k)²=r²
(x+3)² + (y-0)²=1²
(x+3)² + (y-0)²=1
x²+6x+9+y²-0y+0=1
x²+y²+6x -0y+9-1=0
x²+y²+6x -0y+8=0
(x-h)² + (y-k)²=r²
(x+1)² + (y+2)²=3²
(x+1)² + (y+2)²=9
x²+2x+1+y²+4y+4=9
x²+y²+2x +4y+5-9=0
x²+y²+2x +4y-4=0
(x-h)² + (y-k)²=r²
(x+ 3/4)² + (y+2)²=6²
(x+ 3/4)² + (y+2)²=36²
x²+ 6/4x+ 9/16 +y²+4y+4=36
x²+y²+ 6/4x +4y+ 73/16- 36/1=0
x²+y²+ 6/4x + 4y- 31 7/16=0
(x-h)² + (y-k)²=r²
(x+4)² + (y+2)²=2²
(x+4)² + (y+2)²=4
x²+8x+16+y²+4y+4=4
x²+y²+8x+4y+20-4=0
x²+y²+8x +4y+16=0
(x-h)² + (y-k)²=r²
(x-5)² + (y+1)²=1/2²
(x-5)² + (y+1)²= 1/4
x²-10x+25+y²+2y+1= 1/4
x²+y²-10x +2y+26- 1/4=0
x²+y²-10x +2y+253/4=0
(x-h)² + (y-k)²=r²
(x-2)² + (y-1)²=√5
(x-2)² + (y-1)²=25
x²-4x+4+y²-2y+1=25
x²+y²-4x-2y+5-25=0
x²+y²-4x -2y-20=0
(x-h)² + (y-k)²=r²
(x+1/4)² + (y-7/5)²=7²
(x+1/4)² + (y- 7/5)²=49
x²+2/4x+1/16+y²-14/5y+49/25=49
x²+y²+2/4x- 14/5y+29/400-49=0
x²+y²+2/4x- 14/5y + 391/400=0
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x²+y²-100=0 con x-y=0
x²+y²-100=0
x²+y²=100
x²+y²=10²
x²+y²-100=0 con 3/2x+y=0
x²+y²-36=0
x²+y²=36
x²+y²=6²
x=- C/A y=- C/B
x=-3/1--3-2 = -2 Y=- 3/1 =3
x²+y²-25=0 con2 x-y=0
x²+y²-100=0
x²+y²=100
x²+y²=10
x=- C/A y=- C/B
x=+4/2 =2 Y=+ 4/1 =4
x²+y²-8x+6y=0 con x-y+4=0
x²-8x y²+6y
(x-4x)² + (y+3)²=0
x²-8x+16+y²-6y+9=0
x²+y²-8x-6y+25=25
x²+y²-8x-6y+25-25=0
r=5
x=- C/A y=- C/B
x=- 4/1 y=- 4/1
x²+6x y²-4y
(x-3)² + (y-2)²=0
x²-6x+9+y²-4y+4=0
x²+y²-6x-4y+13=4
x²+y²-6x-4y+13-4=0
r=2
x²+y²+4x-8y+4=0 con 3x-y-2=0
x²-4x y²-8y
(x+2)² + (y+4)²=0
x²+4x+4+y²-8y+16=0
x²+y²+4x+8y+20=16
x²+y²+4x+8y+20-16=0
r=5
x=- C/A y=- C/B
x=- 2/3 =0.6 y=- 2/1 =2
2x²+2y²+8x-16y+8=0 con x-y+4=0
2x²+8x 2y²-16y
(x²+4x)² + (y²-8y)²=0
x²+8x+16x+y²-16y+64y=0
x²+y²+8x-16y+80xy=72
x²+y²+8x-16y+80xy-72=8
r=7.5
x=- C/A y=- C/B
x=- 2/1 y=- 2/1
x²-8x y²-8y
(x-4)² + (y+4)²=0
x²-8x+16+y²-8y+16=0
x²+y²-8x-8y+16=-12
x²+y²-8x-8y+16+12=28
r=3.4
x=- C/A y=- C/B
x=- 1/1 y=- 1/1
x²+6x y²-4y
(x+3)² + (y-2)²=0
x²+6x+9+y²-4y+4=0
x²+y²+6x-4y+13=9
x²+y²+6x-4y+13-9=4
r=3
x=- C/A y=- C/B
x=+ 1/1 y=+ 1/1
x²+y²+6x+6y+9=0 con x=0
x²+6x y²+6y
(x+3)² + (y+3)²=0
x²+6x+9+y²+6y+9=0
x²+y²+6x+6y+18=9
x²+y²+6x+6y+18-9=9
r=3
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