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
2401	Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y + 3 \right)^2 = 3 $.	2
2402	Find the center and radius of the circle $ x^2 + y^2 + 2 x + 99 = 0 $.	2
2403	Find the center and radius of the circle $ x^2 + y^2 + 28 x + 20 y + 280 = 0 $.	2
2404	Find the center and radius of the circle $ x^2 + y^2 + 12 x + 4 y + 30 = 0 $.	2
2405	Find the center and radius of the circle $ x^2 + y^2 + 12 x -13 = 0 $.	2
2406	Find the center and radius of the circle $ x^2 + y^2 -6 x -18 y + 81 = 0 $.	2
2407	Find general equation of a circle with a center at $ \color{blue}{C = \left( 6 , -5 \right)} $ passing throught the point $ \color{blue}{ P = \left( 1 , 7 \right) } $.	2
2408	Find the center and radius of the circle $ x^2 + y^2 -32 x + 32 y + 511 = 0 $.	2
2409	Find the center and radius of the circle $ x^2 + y^2 + 16 x + 39 = 0 $.	2
2410	Find the center and radius of the circle $ x^2 + y^2 -22 y + 72 = 0 $.	2
2411	Find the center and radius of the circle $ x^2 + y^2 + 22 x -16 y + 182 = 0 $.	2
2412	Find the center and radius of the circle $ x^2 + y^2 + 14 x -12 y + 60 = 0 $.	2
2413	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , 3 \right)} $ and radius $ \color{blue}{ \frac{ 5 }{ 3 } }$	2
2414		2
2415	Find the center and radius of the circle $ \left( x + 2 \right)^2 + y^2 = 15 $.	2
2416	Find the center and radius of the circle $ \left(x - 2 \right)^2 + y^2 = 15 $.	2
2417	Find the center and radius of the circle $ x^2 + \left( y + 2 \right)^2 = 64 $.	2
2418	Find the center and radius of the circle $ x^2 + \left( y + 2 \right)^2 = 100 $.	2
2419	Find general equation of a circle with a center at $ \color{blue}{C = \left( -4 , 5 \right)} $ and radius $ \color{blue}{ 4 }$	2
2420	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 8 , -6 \right)} $ and radius $ \color{blue}{ 8 }$	2
2421	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 5 , 8 \right)} $ and radius $ \color{blue}{ 1 }$	2
2422	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -6 , -\frac{ 23 }{ 10 } \right)} $ and radius $ \color{blue}{ 3 }$	2
2423	Find the center and radius of the circle $ \left(x - 7 \right)^2 + \left( y + 1 \right)^2 = 144 $.	2
2424	Find the center and radius of the circle $ x^2 + y^2 -10 x + 12 y + 12 = 0 $.	2
2425	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , -18 \right)} $ and radius $ \color{blue}{ 5 }$	2
2426	Find the center and radius of the circle $ x^2 + y^2 + 4 x -4 y -17 = 0 $.	2
2427	Find the center and radius of the circle $ x^2 + y^2 -2 x -8 y + 7 = 0 $.	2
2428		2
2429	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , -2 \right)} $ and radius $ \color{blue}{ 6 }$	2
2430	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , -5 \right)} $ and radius $ \color{blue}{ 9 }$	2
2431	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( 5 , -3 \right) } $.	2
2432	Find general equation of a circle with a center at $ \color{blue}{C = \left( -3 , -2 \right)} $ and radius $ \color{blue}{ 3 }$	2
2433	Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y - 2 \right)^2 = 8 $.	2
2434	Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y - 6 \right)^2 = 4 $.	2
2435	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , 6 \right)} $ and radius $ \color{blue}{ 2 }$	2
2436	Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y + 3 \right)^2 = 49 $.	2
2437	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , 3 \right)} $ and radius $ \color{blue}{ \frac{ 5 }{ 3 } }$	2
2438	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 4 , 5 \right)} $ and radius $ \color{blue}{ \frac{ 41 }{ 5 } }$	2
2439	Find the center and radius of the circle $ x^2 + y^2 + 4 x + 6 y + 3 = 0 $.	2
2440	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -7 , 6 \right)} $ and radius $ \color{blue}{ 2 }$	2
2441	Find the center and radius of the circle $ x^2 + y^2 -4 x -8 y + 16 = 0 $.	2
2442	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 1 , -7 \right)} $ and radius $ \color{blue}{ \sqrt{ 5 } }$	2
2443	Find the center and radius of the circle $ \left(x - 9 \right)^2 + \left( y + 4 \right)^2 = 41 $.	2
2444		2
2445	Find the center and radius of the circle $ x^2 + \left( y - 8 \right)^2 = 0 $.	2
2446	Find the center and radius of the circle $ x^2 + y^2 + 4 x +y + 12 = 0 $.	2
2447	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 12 , 18 \right)} $ and radius $ \color{blue}{ 4 }$	2
2448	Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y - 13 \right)^2 = 25 $.	2
2449	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , 2 \right)} $ passing throught the point $ \color{blue}{ P = \left( 0 , 0 \right) } $.	2
2450	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , 2 \right)} $ passing throught the point $ \color{blue}{ P = \left( 1 , -3 \right) } $.	2