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
2301	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -6 , -15 \right)} $ and radius $ \color{blue}{ \sqrt{ 5 } }$	2
2302	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -9 , -8 \right)} $ and radius $ \color{blue}{ 2 }$	2
2303	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -9 , -8 \right)} $ and radius $ \color{blue}{ 1 }$	2
2304	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -9 , -4 \right)} $ and radius $ \color{blue}{ 1 }$	2
2305	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 6 , 5 \right)} $ and radius $ \color{blue}{ 1 }$	2
2306	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 8 , 5 \right)} $ and radius $ \color{blue}{ 2 }$	2
2307	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 7 , -2 \right)} $ and radius $ \color{blue}{ 12 }$	2
2308	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 9 \right)} $ and radius $ \color{blue}{ 1 }$	2
2309	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -8 , 0 \right)} $ and radius $ \color{blue}{ 7 }$	2
2310	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 10 \right)} $ and radius $ \color{blue}{ 2 }$	2
2311	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 1 , 10 \right)} $ and radius $ \color{blue}{ 12 }$	2
2312	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -7 , -6 \right)} $ and radius $ \color{blue}{ 5 }$	2
2313	Find the center and radius of the circle $ \left(x - 5 \right)^2 + \left( y + 3 \right)^2 = 400 $.	2
2314		2
2315	Find the center and radius of the circle $ x^2 + \left( y + 3 \right)^2 = 49 $.	2
2316		2
2317	Find the center and radius of the circle $ \left(x - 7 \right)^2 + \left( y - 4 \right)^2 = 94 $.	2
2318	Find the center and radius of the circle $ x^2 + y^2 + 2 x -8 y + 64 = 0 $.	2
2319	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 5 , 5 \right)} $ and radius $ \color{blue}{ \sqrt{ 27 } }$	2
2320	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 5 \right)} $ and radius $ \color{blue}{ 6 }$	2
2321	Find the center and radius of the circle $ \left(x - 4 \right)^2 + \left( y + 3 \right)^2 = 4 $.	2
2322	Find the center and radius of the circle $ x^2 + y^2 -18 x + 14 y + 121 = 0 $.	2
2323	Find the center and radius of the circle $ x^2 + y^2 + 8 x -16 y -41 = 0 $.	2
2324	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( 0 , -1 \right) } $.	2
2325	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 5 , 7 \right)} $ and radius $ \color{blue}{ 2 }$	2
2326	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , -4 \right)} $ and radius $ \color{blue}{ 7 }$	2
2327	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , -7 \right)} $ and radius $ \color{blue}{ 4 }$	2
2328	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , 3 \right)} $ and radius $ \color{blue}{ 8 }$	2
2329	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , 3 \right)} $ and radius $ \color{blue}{ 7 }$	2
2330	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -6 , 5 \right)} $ and radius $ \color{blue}{ 7 }$	2
2331	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -6 , 5 \right)} $ and radius $ \color{blue}{ 4 }$	2
2332	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -6 , 7 \right)} $ and radius $ \color{blue}{ 2 }$	2
2333	Find the center and radius of the circle $ \left( x + \frac{ 1 }{ 3 } \right)^2 + y^2 = 0 $.	2
2334	Find the center and radius of the circle $ x^2 + y^2 + 8 x -2 y + 15 = 0 $.	2
2335	Find the center and radius of the circle $ x^2 + y^2 -8 x + 2 y + 15 = 0 $.	2
2336	Find the center and radius of the circle $ x^2 + y^2 -8 x + 2 y + 13 = 0 $.	2
2337	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , -4 \right)} $ passing throught the point $ \color{blue}{ P = \left( -4 , -7 \right) } $.	2
2338	Find the center and radius of the circle $ x^2 + y^2 -4 x + 8 y -7 = 0 $.	2
2339	Find the center and radius of the circle $ x^2 + y^2 -2 x -4 y -44 = 0 $.	2
2340	Find the center and radius of the circle $ x^2 + y^2 -14 x -14 y + 76 = 0 $.	2
2341	Find the center and radius of the circle $ \left(x - \frac{ 7 \sqrt{ 2}}{ 2 } \right)^2 + \left( y + \frac{ 7 \sqrt{ 2}}{ 2 } \right)^2 = \frac{ 49 }{ 2 } $.	2
2342	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 15 , -17 \right)} $ passing throught the point $ \color{blue}{ P = \left( 17 , -17 \right) } $.	2
2343	Find standard equation of a circle with a center at $ \color{blue}{C = \left( \frac{ 9 }{ 2 } , 7 \right)} $ and radius $ \color{blue}{ 7 }$	2
2344	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 8 , -4 \right)} $ and radius $ \color{blue}{ \sqrt{ 91 } }$	2
2345	Find the center and radius of the circle $ x^2 + y^2 + 10 x -8 y -80 = 0 $.	2
2346	Find the center and radius of the circle $ \left(x - 1 \right)^2 + \left( y - 1 \right)^2 = 0 $.	2
2347	Find the center and radius of the circle $ x^2 + y^2 -2 x -10 y + 17 = 0 $.	2
2348	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -5 , -1 \right)} $ and radius $ \color{blue}{ 5 }$	2
2349	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 6 , 1 \right)} $ and radius $ \color{blue}{ 4 }$	2
2350	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , -5 \right)} $ and radius $ \color{blue}{ 5 }$	2