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
1801	Find general equation of a circle with a center at $ \color{blue}{C = \left( 9 , -3 \right)} $ and radius $ \color{blue}{ 2 }$	2
1802	Find general equation of a circle with a center at $ \color{blue}{C = \left( 5 , 8 \right)} $ and radius $ \color{blue}{ 3 }$	2
1803	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 7 , 8 \right)} $ passing throught the point $ \color{blue}{ P = \left( 6 , -10 \right) } $.	2
1804	Find the center and radius of the circle $ \left( x + 1 \right)^2 + \left( y - \frac{ 3 }{ 2 } \right)^2 = 16 $.	2
1805	Find the center and radius of the circle $ x^2 + y^2 -x + 3 y + \frac{ 5 }{ 2 } = 0 $.	2
1806	Find the center and radius of the circle $ x^2 + y^2 + 2 x + 10 y + 19 = 0 $.	2
1807	Find the center and radius of the circle $ x^2 + y^2 -2 x + 10 y + 19 = 0 $.	2
1808	Find the center and radius of the circle $ x^2 + y^2 + 10 x + 6 y + 36 = 0 $.	2
1809	Find the center and radius of the circle $ x^2 + y^2 -10 x + 6 y + 36 = 0 $.	2
1810	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -6 \right)} $ passing throught the point $ \color{blue}{ P = \left( 0 , \frac{ 11 }{ 2 } \right) } $.	2
1811	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( -4 , \frac{ 15 }{ 2 } \right) } $.	2
1812	Find the center and radius of the circle $ x^2 + \left( y - 3 \right)^2 = 3 $.	2
1813	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 5 , 6 \right)} $ and radius $ \color{blue}{ \frac{ 2 }{ 3 } }$	2
1814	Find the center and radius of the circle $ \left( x + 25 \right)^2 + \left( y + 16 \right)^2 = 6 $.	2
1815	Find the center and radius of the circle $ x^2 + y^2 -14 x -8 y +1 = 0 $.	2
1816	Find the center and radius of the circle $ x^2 + y^2 + 22 x + 18 y + 177 = 0 $.	2
1817	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 1 \right)} $ passing throught the point $ \color{blue}{ P = \left( 5 , 4 \right) } $.	2
1818	Find the center and radius of the circle $ \left( x + 1 \right)^2 + \left( y - 2 \right)^2 = 36 $.	2
1819	Find the center and radius of the circle $ \left( x + 1 \right)^2 + y^2 = 49 $.	2
1820	Find the center and radius of the circle $ \left( x + 2 \right)^2 + y^2 = 25 $.	2
1821	Find the center and radius of the circle $ \left(x - 5 \right)^2 + \left( y - 5 \right)^2 = 25 $.	2
1822	Find the center and radius of the circle $ x^2 + y^2 -2 x + 3 y -25 = 0 $.	2
1823	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -3 , 3 \right)} $ and radius $ \color{blue}{ 6 }$	2
1824	Find the center and radius of the circle $ (x+5)^2+(y+6)^2=9 $.	2
1825	Find the center and radius of the circle $ (x-9)^2+(y+13)^2=81 $.	2
1826	Find the center and radius of the circle $ x^2+y^2 + 10 x + 8 y -40 = 0 $.	2
1827	Find the center and radius of the circle $ (x+\frac{11}{2})^2+(y+4)^2=\frac{33}{2} $.	2
1828	Find the center and radius of the circle $ (x-4)^2+(y+2)^2=20 $.	2
1829	Find the center and radius of the circle $ x^2+y^2 + 10 x + 6 y + 25 = 0 $.	2
1830	Find Standard equation of a circle with a center at $ \color{blue}{C = \left( 1 , -3 \right)} $ and radius $ \color{blue}{ 2 }$	2
1831	Find the center and radius of the circle $ (x-8)^2+(y-6)^2=11.87 $.	2
1832	Find Standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 3 \right)} $ and radius $ \color{blue}{ \sqrt{ 14 } }$	2
1833	Find the center and radius of the circle $ (x-2)^2+(y+4)^2=16 $.	2
1834	Find the center and radius of the circle $ (x-10)^2+(y+8)^2=10 $.	2
1835	Find the center and radius of the circle $ x^2+y^2 + 4 x -6 y + 4 = 0 $.	2
1836	Find Standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 0 \right)} $ and radius $ \color{blue}{ \sqrt{ 10 } }$	2
1837	Find the center and radius of the circle $ (x+8)^2+y^2=49 $.	2
1838	Find the center and radius of the circle $ x^2+y^2=9 $.	2
1839	Find the center and radius of the circle $ x^2+y^2 -6 x -2 y + 0 = 0 $.	2
1840	Find the center and radius of the circle $ (x+6)^2+(y+8)^2=36 $.	2
1841	Find the center and radius of the circle $ (x+11)^2+(y+4)^2=289 $.	2
1842	Find the center and radius of the circle $ (x+7)^2+(y-3)^2=1 $.	2
1843	Find Standard equation of a circle with a center at $ \color{blue}{C = \left( -4 , -1 \right)} $ passing throught the point $ \color{blue}{ P = \left( -10 , 0 \right) } $.	2
1844	Find the center and radius of the circle $ (x+1)^2+(y+1)^2=4 $.	2
1845	Find the center and radius of the circle $ (x-2)^2+(y+5)^2=5 $.	2
1846	Find the center and radius of the circle $ (x-2)^2+(y+5)^2=35 $.	2
1847	Find the center and radius of the circle $ (x-2)^2+(y+5)^2=24 $.	2
1848	Find Standard equation of a circle with a center at $ \color{blue}{C = \left( 5 , -2 \right)} $ and radius $ \color{blue}{ 4 }$	2
1849	Find the center and radius of the circle $ (x-1)^2+(y+6)^2=10 $.	2
1850	Find the center and radius of the circle $ (x+4)^2+(y+2)^2=9 $.	2