Circle equation
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle equation Calculator.
| ID |
Problem |
Count |
| 351 | Find Standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 3 \right)} $ passing throught the point $ \color{blue}{ P = \left( 2 , 0 \right) } $. | 7 |
| 352 | Find the center and radius of the circle $ x^2+y^2=4 $. | 7 |
| 353 | Find the center and radius of the circle $ x^2+(y-3)^2=25 $. | 7 |
| 354 | Find the center and radius of the circle $ (x+4)^2+(y-1)^2=25 $. | 7 |
| 355 | Find the center and radius of the circle $ (x-4)^2+(y-3)^2=25 $. | 7 |
| 356 | Find the center and radius of the circle $ (x-2)^2+(y+7)^2=1 $. | 7 |
| 357 | Find the center and radius of the circle $ x^2 + y^2 + 2 x -4 y -20 = 0 $. | 7 |
| 358 | Find the center and radius of the circle $ x^2 + y^2 -2 x + 6 y -6 = 0 $. | 7 |
| 359 | Find the center and radius of the circle $ x^2 + y^2 + 12 x -18 y + 108 = 0 $. | 7 |
| 360 | Find the center and radius of the circle $ x^2 + \left( y + 4 \right)^2 = 9 $. | 7 |
| 361 | Find the center and radius of the circle $ \left(x - 5 \right)^2 + \left( y - 3 \right)^2 = 4 $. | 7 |
| 362 | 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( \frac{ 5 }{ 2 } , 4 \right) } $. | 7 |
| 363 | Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y + 2 \right)^2 = 25 $. | 7 |
| 364 | Find the center and radius of the circle $ x^2 + y^2 + 22 x + 28 y + 309 = 0 $. | 6 |
| 365 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 0 , 0 \right)} $ and radius $ \color{blue}{ 5 }$ | 6 |
| 366 | Find the center and radius of the circle $ \left(x - 1 \right)^2 + \left( y + 3 \right)^2 = 9 $. | 6 |
| 367 | Find the center and radius of the circle $ \left( x + 4 \right)^2 + \left( y + 3 \right)^2 = 36 $. | 6 |
| 368 | Find the center and radius of the circle $ x^2 + y^2 + \frac{ 3 }{ 2 } y + 10 = 0 $. | 6 |
| 369 | Find the center and radius of the circle $ \left(x - 8 \right)^2 + \left( y - 15 \right)^2 = 289 $. | 6 |
| 370 | Find the center and radius of the circle $ x^2 + y^2 = 0 $. | 6 |
| 371 | Find the center and radius of the circle $ x^2 + y^2 + 20 x + 4 y + 55 = 0 $. | 6 |
| 372 | Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y + 7 \right)^2 = 4 $. | 6 |
| 373 | Find the center and radius of the circle $ \left(x - 6 \right)^2 + \left( y - 4 \right)^2 = 64 $. | 6 |
| 374 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -6 , 0 \right)} $ passing throught the point $ \color{blue}{ P = \left( 2 , 3 \right) } $. | 6 |
| 375 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , 0 \right)} $ passing throught the point $ \color{blue}{ P = \left( 2 , 3 \right) } $. | 6 |
| 376 | | 6 |
| 377 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , 4 \right)} $ and radius $ \color{blue}{ 9 }$ | 6 |
| 378 | Find the center and radius of the circle $ x^2 + y^2 + 8 x -6 y -39 = 0 $. | 6 |
| 379 | Find the center and radius of the circle $ x^2 + y^2 = 12 $. | 6 |
| 380 | Find the center and radius of the circle $ x^2 + y^2 -2 x -6 y + 6 = 0 $. | 6 |
| 381 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y + 2 \right)^2 = 16 $. | 6 |
| 382 | Find the center and radius of the circle $ x^2 + y^2 -20 x -20 y + 100 = 0 $. | 6 |
| 383 | Find the center and radius of the circle $ \left(x - 1 \right)^2 + \left( y + 6 \right)^2 = 5 $. | 6 |
| 384 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y + 5 \right)^2 = 100 $. | 6 |
| 385 | Find the center and radius of the circle $ \left( x + 4 \right)^2 + \left( y + 1 \right)^2 = 25 $. | 6 |
| 386 | Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y + 5 \right)^2 = 24 $. | 6 |
| 387 | Find the center and radius of the circle $ x^2 + y^2 + 4 x + 12 y + 4 = 0 $. | 6 |
| 388 | Find the center and radius of the circle $ \left( x + 6 \right)^2 + \left( y - 5 \right)^2 = 324 $. | 6 |
| 389 | Find the center and radius of the circle $ x^2 + y^2 + 5 x + 3 y -8 = 0 $. | 6 |
| 390 | Find the center and radius of the circle $ x^2 + y^2 + 6 x + 14 y + 18 = 0 $. | 6 |
| 391 | Find the center and radius of the circle $ x^2 + y^2 -10 x + 10 y + 25 = 0 $. | 6 |
| 392 | Find the center and radius of the circle $ x^2 + y^2 -4 x + 16 y + 19 = 0 $. | 6 |
| 393 | Find the center and radius of the circle $ x^2 + y^2 -2 x + 6 y + 6 = 0 $. | 6 |
| 394 | Find the center and radius of the circle $ x^2 + y^2 + 6 x -4 y -23 = 0 $. | 6 |
| 395 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 8 , 7 \right)} $ passing throught the point $ \color{blue}{ P = \left( 16 , 22 \right) } $. | 6 |
| 396 | Find the center and radius of the circle $ x^2 + y^2 + 4 x + 2 y = 0 $. | 6 |
| 397 | Find the center and radius of the circle $ x^2 + y^2 -6 x -10 y + 34 = 0 $. | 6 |
| 398 | Find the center and radius of the circle $ \left(x - 4 \right)^2 + \left( y + 3 \right)^2 = 25 $. | 6 |
| 399 | Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y - 1 \right)^2 = 9 $. | 6 |
| 400 | Find the center and radius of the circle $ x^2 + y^2 + 6 x -2 y +1 = 0 $. | 6 |