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
3301	Find the center and radius of the circle $ \left( x + 10 \right)^2 + \left( y + 11 \right)^2 = 324 $.	2
3302	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -1 \right)} $ passing throught the point $ \color{blue}{ P = \left( -\sqrt{ 8 } , 10 \right) } $.	2
3303	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 9 \right)} $ and radius $ \color{blue}{ 8 }$	2
3304	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 4 , 9 \right)} $ and radius $ \color{blue}{ 7 }$	2
3305	Find the center and radius of the circle $ x^2 + y^2 + 2 y -8 = 0 $.	2
3306	Find the center and radius of the circle $ x^2 + \left( y + 7 \right)^2 = 6 $.	2
3307	Find the center and radius of the circle $ \left(x - 5 \right)^2 + \left( y + 4 \right)^2 = 100 $.	2
3308	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 4 , 1 \right)} $ and radius $ \color{blue}{ 3 }$	2
3309	Find the center and radius of the circle $ x^2 + \left( y - 9 \right)^2 = 18 $.	2
3310	Find the center and radius of the circle $ \left( x + 7 \right)^2 + \left( y + 1 \right)^2 = 24 $.	2
3311	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -1 \right)} $ and radius $ \color{blue}{ \sqrt{ 622 } }$	2
3312	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 5 \right)} $ and radius $ \color{blue}{ 3 }$	2
3313	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -15 , \sqrt{ 63 } \right)} $ and radius $ \color{blue}{ \sqrt{ 2 } }$	2
3314	Find the center and radius of the circle $ x^2 + y^2 -2 x + 12 y + 18 = 0 $.	2
3315	Find the center and radius of the circle $ x^2 + y^2 + 2 x -15 = 0 $.	2
3316	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -11 , -14 \right)} $ and radius $ \color{blue}{ 4 }$	2
3317	Find the center and radius of the circle $ x^2 + y^2 + 10 x -8 y -23 = 0 $.	2
3318	Find the center and radius of the circle $ x^2 + y^2 -8 x + 12 y + 34 = 0 $.	2
3319	Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y - 4 \right)^2 = 2 $.	2
3320	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , 4 \right)} $ passing throught the point $ \color{blue}{ P = \left( 7 , 7 \right) } $.	2
3321	Find the center and radius of the circle $ \left( x + 5 \right)^2 + \left( y + 6 \right)^2 = 0 $.	2
3322	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 11 , 14 \right)} $ and radius $ \color{blue}{ 8 }$	2
3323	Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y - 5 \right)^2 = 50 $.	2
3324	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 2 \right)} $ passing throught the point $ \color{blue}{ P = \left( 3 , 6 \right) } $.	2
3325	Find the center and radius of the circle $ x^2 + y^2 -9 x + 2 y -9 = 0 $.	2
3326	Find the center and radius of the circle $ x^2 + y^2 -\frac{ 8 }{ 3 } x -4 y -\frac{ 29 }{ 9 } = 0 $.	2
3327	Find the center and radius of the circle $ x^2 + y^2 -34 x -44 y + 748 = 0 $.	2
3328	Find the center and radius of the circle $ \left( x + 1 \right)^2 + \left( y - 2 \right)^2 = 0 $.	2
3329	Find the center and radius of the circle $ x^2 + y^2 = 9 $.	2
3330	Find the center and radius of the circle $ x^2 + y^2 + 18 x -32 y + 4 = 0 $.	2
3331	Find the center and radius of the circle $ x^2 + y^2 -12 x + 16 y + 84 = 0 $.	2
3332	Find the center and radius of the circle $ x^2 + y^2 -4 x + 2 y = 0 $.	2
3333	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -2 \right)} $ passing throught the point $ \color{blue}{ P = \left( \sqrt{ 27 } , 1 \right) } $.	2
3334	Find the center and radius of the circle $ x^2 + y^2 -3 x + 10 y -34 = 0 $.	2
3335	Find the center and radius of the circle $ x^2 + y^2 + 6 y + 16 = 0 $.	2
3336	Find the center and radius of the circle $ \left(x - 1 \right)^2 + \left( y + 2 \right)^2 = 5 $.	2
3337	Find the center and radius of the circle $ x^2 + y^2 = 0 $.	2
3338	Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y - 7 \right)^2 = 36 $.	2
3339	Find the center and radius of the circle $ \left(x - 4 \right)^2 + y^2 = 16 $.	2
3340	Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y - 3 \right)^2 = 25 $.	2
3341	Find the center and radius of the circle $ x^2 + y^2 = 49 $.	2
3342	Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y - 2 \right)^2 = 16 $.	2
3343	Find the center and radius of the circle $ x^2 + y^2 -10 x + 14 y + 65 = 0 $.	2
3344	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( -\sqrt{ 40 } , -9 \right) } $.	2
3345	Find the center and radius of the circle $ \left( x + 5 \right)^2 + \left( y - 10 \right)^2 = 9 $.	2
3346	Find the center and radius of the circle $ \left(x - 14 \right)^2 + \left( y - 2 \right)^2 = 4 $.	2
3347	Find the center and radius of the circle $ x^2 + y^2 -4 x + 8 y + 11 = 0 $.	2
3348	Find the center and radius of the circle $ \left(x - 15 \right)^2 + \left( y - 5 \right)^2 = 400 $.	2
3349	Find the center and radius of the circle $ x^2 + y^2 + 18 x -2 y +1 = 0 $.	2
3350	Find the center and radius of the circle $ \left(x - 6 \right)^2 + \left( y + 7 \right)^2 = 16 $.	2