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
3051	Find the center and radius of the circle $ \left( x + 5 \right)^2 + \left( y + 1 \right)^2 = 16 $.	2
3052	Find the center and radius of the circle $ x^2 + y^2 + 14 x + 8 y + 16 = 0 $.	2
3053	Find the center and radius of the circle $ \left(x - 2 \right)^2 + y^2 = 7 $.	2
3054	Find the center and radius of the circle $ x^2 + \left( y - 6 \right)^2 = 16 $.	2
3055	Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y - 10 \right)^2 = 17 $.	2
3056	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 4 , -5 \right)} $ and radius $ \color{blue}{ 10 }$	2
3057		2
3058	Find general equation of a circle with a center at $ \color{blue}{C = \left( 4 , 7 \right)} $ and radius $ \color{blue}{ 3 }$	2
3059	Find the center and radius of the circle $ x^2 + y^2 + 10 x + 2 y + 22 = 0 $.	2
3060	Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y - 3 \right)^2 = 23 $.	2
3061	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , 3 \right)} $ and radius $ \color{blue}{ \sqrt{ 23 } }$	2
3062	Find the center and radius of the circle $ x^2 + y^2 -12 x + 28 y + 107 = 0 $.	2
3063	Find the center and radius of the circle $ x^2 + y^2 -2 y -35 = 0 $.	2
3064	Find the center and radius of the circle $ x^2 + y^2 + 14 y + 45 = 0 $.	2
3065	Find the center and radius of the circle $ x^2 + y^2 + 6 x -8 y = 0 $.	2
3066		2
3067	Find the center and radius of the circle $ x^2 + y^2 + 6 x -8 y -11 = 0 $.	2
3068	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , 7 \right)} $ and radius $ \color{blue}{ 4 }$	2
3069	Find the center and radius of the circle $ \left(x - 9 \right)^2 + \left( y + 2 \right)^2 = 35 $.	2
3070	Find the center and radius of the circle $ \left( x + 9 \right)^2 + \left( y - 8 \right)^2 = 400 $.	2
3071	Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y + 7 \right)^2 = \sqrt{ 13 } $.	2
3072	Find the center and radius of the circle $ x^2 + y^2 -8 x -10 y + 37 = 0 $.	2
3073	Find the center and radius of the circle $ x^2 + y^2 + 6 x -10 y -47 = 0 $.	2
3074	Find the center and radius of the circle $ \left(x - 9 \right)^2 + \left( y - 2 \right)^2 = 21 $.	2
3075	Find the center and radius of the circle $ x^2 + y^2 + 18 x + 4 y + 21 = 0 $.	2
3076	Find the center and radius of the circle $ x^2 + y^2 -2 x -10 y + 17 = 0 $.	2
3077	Find the center and radius of the circle $ \left(x - 9 \right)^2 + \left( y - 11 \right)^2 = 400 $.	2
3078	Find the center and radius of the circle $ \left(x - 8 \right)^2 + \left( y - 7 \right)^2 = 1 $.	2
3079	Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y - 9 \right)^2 = 1 $.	2
3080	Find the center and radius of the circle $ x^2 + y^2 -6 x -10 y + 30 = 0 $.	2
3081	Find the center and radius of the circle $ x^2 + y^2 -10 x = 0 $.	2
3082	Find the center and radius of the circle $ x^2 + y^2 + 10 x -6 = 0 $.	2
3083	Find the center and radius of the circle $ x^2 + y^2 + 8 x + 12 y + 27 = 0 $.	2
3084	Find the center and radius of the circle $ x^2 + y^2 -12 x -27 y -8 = 0 $.	2
3085	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 3 \right)} $ and radius $ \color{blue}{ 0 }$	2
3086	Find the center and radius of the circle $ \left( x + 1 \right)^2 + \left( y - 4 \right)^2 = 26 $.	2
3087	Find the center and radius of the circle $ x^2 + \left( y + 2 \right)^2 = 16 $.	2
3088	Find the center and radius of the circle $ x^2 + y^2 -6 x + 10 y + 50 = 0 $.	2
3089	Find the center and radius of the circle $ x^2 + y^2 -6 x + 10 y + 25 = 0 $.	2
3090	Find the center and radius of the circle $ x^2 + y^2 + 2 x -2 y -\frac{ 41 }{ 4 } = 0 $.	2
3091	Find the center and radius of the circle $ x^2 + y^2 + 4 y -5 = 0 $.	2
3092	Find the center and radius of the circle $ \left( x + 6 \right)^2 + \left( y - 5 \right)^2 = \frac{ 1 }{ 2 } $.	2
3093	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 6 , -5 \right)} $ and radius $ \color{blue}{ \frac{ 1 }{ 2 } }$	2
3094	Find the center and radius of the circle $ \left( x + 18 \right)^2 + \left( y + 2 \right)^2 = 100 $.	2
3095	Find the center and radius of the circle $ x^2 + y^2 + 14 x -8 y + 5 = 0 $.	2
3096	Find the center and radius of the circle $ \left( x + 1 \right)^2 + \left( y - 3 \right)^2 = 25 $.	2
3097	Find the center and radius of the circle $ \left( x + \frac{ 67 }{ 5 } \right)^2 + \left( y + \frac{ 13 }{ 5 } \right)^2 = 100 $.	2
3098	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -4 , 6 \right)} $ passing throught the point $ \color{blue}{ P = \left( 2 , 9 \right) } $.	2
3099	Find the center and radius of the circle $ x^2 + y^2 = 24 $.	2
3100	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -5 \right)} $ passing throught the point $ \color{blue}{ P = \left( 1 , 3 \right) } $.	2