Circle equation

(the database of solved problems)

All the problems and solutions shown below were generated using the Circle equation Calculator.

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ID	Problem	Count
2151	Find the center and radius of the circle $ x^2 + y^2 -10 y + 16 = 0 $.	2
2152	Find the center and radius of the circle $ x^2 + y^2 + 2 x -4 y -9 = 0 $.	2
2153	Find the center and radius of the circle $ x^2 + y^2 -18 x + 45 = 0 $.	2
2154	Find general equation of a circle with a center at $ \color{blue}{C = \left( 4 , -12 \right)} $ and radius $ \color{blue}{ 4 }$	2
2155	Find the center and radius of the circle $ \left(x - 5 \right)^2 + y^2 = 0 $.	2
2156	Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y + 7 \right)^2 = 9 $.	2
2157	Find the center and radius of the circle $ x^2 + \left( y - 3 \right)^2 = 16 $.	2
2158	Find the center and radius of the circle $ \left( x + 8 \right)^2 + \left( y - 4 \right)^2 = 4 $.	2
2159		2
2160	Find the center and radius of the circle $ \left( x + 9 \right)^2 + \left( y + 1 \right)^2 = 0 $.	2
2161	Find the center and radius of the circle $ x^2 + y^2 + 4 x -5 = 0 $.	2
2162	Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y + 5 \right)^2 = 8 $.	2
2163	Find the center and radius of the circle $ x^2 + y^2 -2 x + 5 y -4 = 0 $.	2
2164	Find the center and radius of the circle $ x^2 + y^2 + 2 x + 5 y -4 = 0 $.	2
2165	Find the center and radius of the circle $ \left( x + 600 \right)^2 + \left( y + 600 \right)^2 = 0 $.	2
2166	Find the center and radius of the circle $ \left( x + \frac{ 593 }{ 1000 } \right)^2 + \left( y + \frac{ 77 }{ 125 } \right)^2 = \frac{ 731 }{ 1000 } $.	2
2167	Find the center and radius of the circle $ x^2 + y^2 -64 x = 0 $.	2
2168	Find the center and radius of the circle $ x^2 + y^2 + 12 x -16 y + 24 = 0 $.	2
2169	Find the center and radius of the circle $ x^2 + y^2 + 8 x -6 y -24 = 0 $.	2
2170	Find the center and radius of the circle $ \left( x + 7 \right)^2 + \left( y + 8 \right)^2 = 104 $.	2
2171	Find the center and radius of the circle $ x^2 + y^2 + 2 x + 4 y -11 = 0 $.	2
2172	Find the center and radius of the circle $ x^2 + y^2 + 4 x + 9 y + 2 = 0 $.	2
2173	Find the center and radius of the circle $ x^2 + y^2 -9 x + 19 = 0 $.	2
2174	Find the center and radius of the circle $ x^2 + y^2 -12 x + 35 = 0 $.	2
2175	Find the center and radius of the circle $ x^2 + y^2 -15 y + 36 = 0 $.	2
2176	Find the center and radius of the circle $ x^2 + y^2 -3 x -4 = 0 $.	2
2177	Find the center and radius of the circle $ x^2 + y^2 -8 x -44 = 0 $.	2
2178	Find the center and radius of the circle $ x^2 + y^2 -16 x = 0 $.	2
2179	Find the center and radius of the circle $ x^2 + y^2 + 8 y + 15 = 0 $.	2
2180	Find the center and radius of the circle $ x^2 + y^2 -8 x -47 = 0 $.	2
2181	Find standard equation of a circle with a center at $ \color{blue}{C = \left( \frac{ 26449 }{ 100 } , -\frac{ 4297 }{ 50 } \right)} $ and radius $ \color{blue}{ \frac{ 425 }{ 4 } }$	2
2182	Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y + 13 \right)^2 = 150 $.	2
2183	Find the center and radius of the circle $ x^2 + y^2 -2 y -184 = 0 $.	2
2184	Find the center and radius of the circle $ \left( x + \frac{ 3 }{ 2 } \right)^2 + \left( y + \frac{ 4 }{ 5 } \right)^2 = 1 $.	2
2185	Find the center and radius of the circle $ x^2 + y^2 -2 x + 4 y -31 = 0 $.	2
2186	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -\frac{ 1375 }{ 8 } \right)} $ and radius $ \color{blue}{ \frac{ 425 }{ 4 } }$	2
2187	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -5 , 1 \right)} $ and radius $ \color{blue}{ 3 \sqrt{ 11 } }$	2
2188	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 0 \right)} $ passing throught the point $ \color{blue}{ P = \left( 0 , \frac{ 9 }{ 2 } \right) } $.	2
2189	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , -1 \right)} $ and radius $ \color{blue}{ 0 }$	2
2190	Find the center and radius of the circle $ x^2 + y^2 -18 x -12 y -68 = 0 $.	2
2191	Find the center and radius of the circle $ \left( x + 7 \right)^2 + \left( y + 9 \right)^2 = 16 $.	2
2192	Find the center and radius of the circle $ x^2 + \left( y + 7 \right)^2 = 49 $.	2
2193	Find the center and radius of the circle $ \left(x - 7 \right)^2 + \left( y + 1 \right)^2 = 73 $.	2
2194	Find the center and radius of the circle $ \left( x + 7 \right)^2 + \left( y - 3 \right)^2 = 121 $.	2
2195	Find the center and radius of the circle $ x^2 + y^2 + 12 x + 2 y = 0 $.	2
2196	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 10 \right)} $ passing throught the point $ \color{blue}{ P = \left( 10 , 5 \right) } $.	2
2197	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , 11 \right)} $ and radius $ \color{blue}{ 2 }$	2
2198	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -5 , 0 \right)} $ and radius $ \color{blue}{ 15 }$	2
2199	Find the center and radius of the circle $ x^2 + y^2 -10 x + 2 y +1 = 0 $.	2
2200	Find the center and radius of the circle $ \left( x + 1 \right)^2 + \left( y + 5 \right)^2 = \sqrt{ 52 } $.	2