Circle equation
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle equation Calculator.
| ID |
Problem |
Count |
| 1501 | Find the center and radius of the circle $ x^2 + y^2 + 63 x + 14 y + 277 = 0 $. | 3 |
| 1502 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -4 , -8 \right)} $ and radius $ \color{blue}{ 9 }$ | 3 |
| 1503 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 6 , 1 \right)} $ and radius $ \color{blue}{ 5 }$ | 3 |
| 1504 | Find the center and radius of the circle $ \left(x - 5 \right)^2 + y^2 = 9 $. | 3 |
| 1505 | Find the center and radius of the circle $ x^2 + y^2 + 2 x -8 y + 8 = 0 $. | 3 |
| 1506 | Find the center and radius of the circle $ \left( x + 1 \right)^2 + \left( y - 10 \right)^2 = 225 $. | 3 |
| 1507 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 1 , 0 \right)} $ passing throught the point $ \color{blue}{ P = \left( -17 , 0 \right) } $. | 3 |
| 1508 | Find the center and radius of the circle $ x^2 + \left( y - 1 \right)^2 = 36 $. | 3 |
| 1509 | Find the center and radius of the circle $ x^2 + y^2 -4 x + 10 y + 7 = 0 $. | 3 |
| 1510 | Find the center and radius of the circle $ x^2 + y^2 -4 x -6 y + 4 = 0 $. | 3 |
| 1511 | Find the center and radius of the circle $ \left( x + 5 \right)^2 + \left( y - 13 \right)^2 = 10 $. | 3 |
| 1512 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 6 , 1 \right)} $ and radius $ \color{blue}{ 2 \sqrt{ 41 } }$ | 3 |
| 1513 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 10 \right)} $ and radius $ \color{blue}{ 8 }$ | 3 |
| 1514 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 11 , -6 \right)} $ and radius $ \color{blue}{ 8 }$ | 3 |
| 1515 | Find the center and radius of the circle $ \left(x - 5 \right)^2 + \left( y + 6 \right)^2 = 4 $. | 3 |
| 1516 | Find the center and radius of the circle $ x^2 + y^2 + 8 x + 2 y -28 = 0 $. | 3 |
| 1517 | Find the center and radius of the circle $ x^2 + y^2 -20 x -30 y + 40 = 0 $. | 3 |
| 1518 | Find the center and radius of the circle $ \left( x + 200 \right)^2 + y^2 = 0 $. | 3 |
| 1519 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 6 , 6 \right)} $ and radius $ \color{blue}{ 3 }$ | 3 |
| 1520 | Find the center and radius of the circle $ \left( x + 5 \right)^2 + \left( y + 3 \right)^2 = 25 $. | 3 |
| 1521 | Find the center and radius of the circle $ x^2 + y^2 + 6 x + 2 y + 9 = 0 $. | 3 |
| 1522 | Find the center and radius of the circle $ \left(x - 4 \right)^2 + \left( y + 3 \right)^2 = 5 $. | 3 |
| 1523 | Find the center and radius of the circle $ x^2 + y^2 + 6 x + 16 y + 37 = 0 $. | 3 |
| 1524 | Find the center and radius of the circle $ x^2 + y^2 -\frac{ 199 }{ 2 } = 0 $. | 3 |
| 1525 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , 5 \right)} $ passing throught the point $ \color{blue}{ P = \left( 4 , 9 \right) } $. | 2 |
| 1526 | Find the center and radius of the circle $ x^2 + y^2 -8 x -14 y + 56 = 0 $. | 2 |
| 1527 | Find the center and radius of the circle $ x^2 + y^2 -8 x -14 y -56 = 0 $. | 2 |
| 1528 | Find the center and radius of the circle $ x^2 + y^2 + 2 x + 6 y + 15 = 0 $. | 2 |
| 1529 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 3 \right)} $ passing throught the point $ \color{blue}{ P = \left( 1 , 8 \right) } $. | 2 |
| 1530 | Find the center and radius of the circle $ \left(x - 7 \right)^2 + y^2 = 45 $. | 2 |
| 1531 | 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 , -3 \right) } $. | 2 |
| 1532 | Find the center and radius of the circle $ x^2 + y^2 -12 x + 12 y + 36 = 0 $. | 2 |
| 1533 | Find the center and radius of the circle $ x^2 + y^2 -10 x + 9 = 0 $. | 2 |
| 1534 | Find the center and radius of the circle $ \left(x - 5 \right)^2 + \left( y + 2 \right)^2 = 40 $. | 2 |
| 1535 | Find the center and radius of the circle $ x^2 + y^2 = 16 $. | 2 |
| 1536 | Find the center and radius of the circle $ x^2 + y^2 = 25 $. | 2 |
| 1537 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y - 4 \right)^2 = 25 $. | 2 |
| 1538 | Find the center and radius of the circle $ x^2 + y^2 + 2 x -6 y + 9 = 0 $. | 2 |
| 1539 | Find the center and radius of the circle $ x^2 + y^2 = 5 $. | 2 |
| 1540 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y + 2 \right)^2 = 17 $. | 2 |
| 1541 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y + 2 \right)^2 = 18 $. | 2 |
| 1542 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y + \frac{ 1 }{ 9 } \right)^2 = 18 $. | 2 |
| 1543 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y + \frac{ 2 }{ 3 } \right)^2 = 18 $. | 2 |
| 1544 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y + 3 \right)^2 = 18 $. | 2 |
| 1545 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y + \frac{ 3 }{ 4 } \right)^2 = 17 $. | 2 |
| 1546 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y + \frac{ 3 }{ 4 } \right)^2 = 16 $. | 2 |
| 1547 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y + \frac{ 3 }{ 4 } \right)^2 = 15 $. | 2 |
| 1548 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y + \frac{ 7 }{ 10 } \right)^2 = 16 $. | 2 |
| 1549 | Find the center and radius of the circle $ \left(x - \frac{ 19 }{ 10 } \right)^2 + \left( y + \frac{ 7 }{ 10 } \right)^2 = 16 $. | 2 |
| 1550 | Find the center and radius of the circle $ \left(x - \frac{ 19 }{ 10 } \right)^2 + \left( y + \frac{ 3 }{ 5 } \right)^2 = 16 $. | 2 |
