Circle equation
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle equation Calculator.
| ID |
Problem |
Count |
| 1351 | Find the center and radius of the circle $ \left( x + 1 \right)^2 + \left( y - 3 \right)^2 = 9 $. | 3 |
| 1352 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 9 \right)} $ passing throught the point $ \color{blue}{ P = \left( \sqrt{ 65 } , 12 \right) } $. | 3 |
| 1353 | Find the center and radius of the circle $ \left( x + 4 \right)^2 + \left( y - 19 \right)^2 = 121 $. | 3 |
| 1354 | Find the center and radius of the circle $ x^2 + y^2 -8 x -4 y -29 = 0 $. | 3 |
| 1355 | Find the center and radius of the circle $ x^2 + y^2 -2 x -2 y +1 = 0 $. | 3 |
| 1356 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -6 , 3 \right)} $ passing throught the point $ \color{blue}{ P = \left( 0 , 1 \right) } $. | 3 |
| 1357 | Find the center and radius of the circle $ x^2 + y^2 + 4 x -12 y -9 = 0 $. | 3 |
| 1358 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -9 \right)} $ and radius $ \color{blue}{ 1 }$ | 3 |
| 1359 | Find the center and radius of the circle $ x^2 + y^2 -4 x + 4 y + 7 = 0 $. | 3 |
| 1360 | Find the center and radius of the circle $ \left(x - 5 \right)^2 + \left( y - 3 \right)^2 = 81 $. | 3 |
| 1361 | Find the center and radius of the circle $ \left(x - 4 \right)^2 + \left( y - 5 \right)^2 = 81 $. | 3 |
| 1362 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y - 4 \right)^2 = 81 $. | 3 |
| 1363 | 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( 3 , 4 \right) } $. | 3 |
| 1364 | Find the center and radius of the circle $ \left( x + 12 \right)^2 + \left( y - 22 \right)^2 = 169 $. | 3 |
| 1365 | Find the center and radius of the circle $ x^2 + y^2 + 2 x -12 y + 85 = 0 $. | 3 |
| 1366 | Find the center and radius of the circle $ \left( x + 30 \right)^2 + \left( y + 16 \right)^2 = 400 $. | 3 |
| 1367 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 2 \right)} $ and radius $ \color{blue}{ 10 }$ | 3 |
| 1368 | Find the center and radius of the circle $ x^2 + y^2 + 2 x + 6 y + 6 = 0 $. | 3 |
| 1369 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y + 3 \right)^2 = 25 $. | 3 |
| 1370 | Find the center and radius of the circle $ \left(x - 5 \right)^2 + \left( y - 3 \right)^2 = 9 $. | 3 |
| 1371 | Find the center and radius of the circle $ x^2 + y^2 + 12 x + 4 y + 4 = 0 $. | 3 |
| 1372 | Find the center and radius of the circle $ x^2 + y^2 -x -3 y -\frac{ 3 }{ 2 } = 0 $. | 3 |
| 1373 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , 5 \right)} $ and radius $ \color{blue}{ 4 }$ | 3 |
| 1374 | Find the center and radius of the circle $ \left( x + 1 \right)^2 + \left( y + 1 \right)^2 = 100 $. | 3 |
| 1375 | Find the center and radius of the circle $ x^2 + y^2 -4 x + 10 y + 25 = 0 $. | 3 |
| 1376 | Find the center and radius of the circle $ x^2 + y^2 + 10 x -4 y -71 = 0 $. | 3 |
| 1377 | | 3 |
| 1378 | Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y - 2 \right)^2 = 16 $. | 3 |
| 1379 | Find the center and radius of the circle $ x^2 + y^2 -4 x + 7 y + \frac{ 9 }{ 2 } = 0 $. | 3 |
| 1380 | Find the center and radius of the circle $ \left( x + 50 \right)^2 + \left( y + \frac{ 59589 }{ 1000 } \right)^2 = 0 $. | 3 |
| 1381 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 0 \right)} $ and radius $ \color{blue}{ 6 }$ | 3 |
| 1382 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -2 \right)} $ and radius $ \color{blue}{ 2 }$ | 3 |
| 1383 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y + 5 \right)^2 = 36 $. | 3 |
| 1384 | Find the center and radius of the circle $ x^2 + y^2 + 36 = 0 $. | 3 |
| 1385 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -3 , 4 \right)} $ and radius $ \color{blue}{ 6 }$ | 3 |
| 1386 | Find the center and radius of the circle $ x^2 + y^2 + 4 x = 0 $. | 3 |
| 1387 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y + 1 \right)^2 = 25 $. | 3 |
| 1388 | Find the center and radius of the circle $ \left( x + 5 \right)^2 + \left( y - 3 \right)^2 = 49 $. | 3 |
| 1389 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y + 8 \right)^2 = 0 $. | 3 |
| 1390 | Find the center and radius of the circle $ x^2 + y^2 = 0 $. | 3 |
| 1391 | Find the center and radius of the circle $ x^2 + y^2 -6 x + 8 y -11 = 0 $. | 3 |
| 1392 | Find the center and radius of the circle $ x^2 + y^2 + 6 x -2 y -3 = 0 $. | 3 |
| 1393 | Find the center and radius of the circle $ x^2 + y^2 + 2 x + 4 y + 15 = 0 $. | 3 |
| 1394 | Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y + 4 \right)^2 = 81 $. | 3 |
| 1395 | Find the center and radius of the circle $ x^2 + y^2 + 6 x -4 y + 4 = 0 $. | 3 |
| 1396 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , 3 \right)} $ and radius $ \color{blue}{ 4 }$ | 3 |
| 1397 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -2 , 1 \right)} $ and radius $ \color{blue}{ 2 }$ | 3 |
| 1398 | Find the center and radius of the circle $ x^2 + y^2 + 6 x -8 y + 15 = 0 $. | 3 |
| 1399 | Find the center and radius of the circle $ x^2 + y^2 + 4 x -6 y + 5 = 0 $. | 3 |
| 1400 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 4 , 7 \right)} $ and radius $ \color{blue}{ 3 }$ | 3 |