Circle equation
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle equation Calculator.
| ID |
Problem |
Count |
| 1451 | Find the center and radius of the circle $ x^2 + y^2 + 2 x + 4 y + 16 = 0 $. | 3 |
| 1452 | Find the center and radius of the circle $ x^2 + y^2 -x -3 = 0 $. | 3 |
| 1453 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y + 4 \right)^2 = 25 $. | 3 |
| 1454 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y + \frac{ 1 }{ 2 } \right)^2 = 16 $. | 3 |
| 1455 | Find the center and radius of the circle $ \left( x + 7 \right)^2 + \left( y + 1 \right)^2 = 49 $. | 3 |
| 1456 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -5 , 1 \right)} $ and radius $ \color{blue}{ 18 }$ | 3 |
| 1457 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , -9 \right)} $ and radius $ \color{blue}{ 4 }$ | 3 |
| 1458 | Find the center and radius of the circle $ x^2 + y^2 + 6 x -2 y -10 = 0 $. | 3 |
| 1459 | Find the center and radius of the circle $ x^2 + y^2 -2 x + 14 y + 45 = 0 $. | 3 |
| 1460 | Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y + 2 \right)^2 = 13 $. | 3 |
| 1461 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y - 2 \right)^2 = 25 $. | 3 |
| 1462 | Find the center and radius of the circle $ \left( x + 6 \right)^2 + \left( y + 9 \right)^2 = 0 $. | 3 |
| 1463 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 0 \right)} $ and radius $ \color{blue}{ \sqrt{ 13 } }$ | 3 |
| 1464 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -4 , -6 \right)} $ and radius $ \color{blue}{ 5 }$ | 3 |
| 1465 | Find the center and radius of the circle $ \left(x - 8 \right)^2 + \left( y + 5 \right)^2 = 35 $. | 3 |
| 1466 | Find the center and radius of the circle $ \left(x - 5 \right)^2 + y^2 = 4 $. | 3 |
| 1467 | Find the center and radius of the circle $ \left(x - 1 \right)^2 + \left( y + 4 \right)^2 = 74 $. | 3 |
| 1468 | Find the center and radius of the circle $ \left( x + 5 \right)^2 + \left( y + 5 \right)^2 = 16 $. | 3 |
| 1469 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 3 , 6 \right)} $ and radius $ \color{blue}{ 9 }$ | 3 |
| 1470 | Find the center and radius of the circle $ x^2 + \left( y + 1 \right)^2 = 0 $. | 3 |
| 1471 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 7 , -5 \right)} $ and radius $ \color{blue}{ 3 }$ | 3 |
| 1472 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 1 , 1 \right)} $ passing throught the point $ \color{blue}{ P = \left( -4 , 4 \right) } $. | 3 |
| 1473 | Find the center and radius of the circle $ x^2 + y^2 + 6 y + 5 = 0 $. | 3 |
| 1474 | Find the center and radius of the circle $ x^2 + y^2 -16 x -18 y + 120 = 0 $. | 3 |
| 1475 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 1 \right)} $ passing throught the point $ \color{blue}{ P = \left( 1 , -3 \right) } $. | 3 |
| 1476 | Find the center and radius of the circle $ x^2 + y^2 + 8 x -6 y -25 = 0 $. | 3 |
| 1477 | Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y - 5 \right)^2 = 36 $. | 3 |
| 1478 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 17 , 11 \right)} $ and radius $ \color{blue}{ 6 }$ | 3 |
| 1479 | Find the center and radius of the circle $ x^2 + y^2 + 2 x + 14 y -14 = 0 $. | 3 |
| 1480 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , 1 \right)} $ and radius $ \color{blue}{ 5 }$ | 3 |
| 1481 | Find the center and radius of the circle $ x^2 + y^2 + 8 y = 0 $. | 3 |
| 1482 | Find the center and radius of the circle $ x^2 + y^2 -10 y = 0 $. | 3 |
| 1483 | Find the center and radius of the circle $ \left( x + 13 \right)^2 + \left( y + 2 \right)^2 = 81 $. | 3 |
| 1484 | Find the center and radius of the circle $ x^2 + y^2 -10 x + 6 y -30 = 0 $. | 3 |
| 1485 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -6 , -8 \right)} $ and radius $ \color{blue}{ 10 }$ | 3 |
| 1486 | Find the center and radius of the circle $ x^2 + y^2 -3 x + 4 y + 20 = 0 $. | 3 |
| 1487 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 3 , 0 \right)} $ and radius $ \color{blue}{ 3 }$ | 3 |
| 1488 | | 3 |
| 1489 | | 3 |
| 1490 | | 3 |
| 1491 | | 3 |
| 1492 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -3 , 9 \right)} $ and radius $ \color{blue}{ 7 }$ | 3 |
| 1493 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -3 , 9 \right)} $ and radius $ \color{blue}{ 7 }$ | 3 |
| 1494 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -3 , 9 \right)} $ and radius $ \color{blue}{ 7 }$ | 3 |
| 1495 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -3 , 9 \right)} $ and radius $ \color{blue}{ 7 }$ | 3 |
| 1496 | | 3 |
| 1497 | | 3 |
| 1498 | | 3 |
| 1499 | | 3 |
| 1500 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , 4 \right)} $ and radius $ \color{blue}{ 2 }$ | 3 |
