Circle equation
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle equation Calculator.
| ID |
Problem |
Count |
| 6501 | Find the center and radius of the circle $ \left(x - 1 \right)^2 + \left( y + 3 \right)^2 = 3 $. | 1 |
| 6502 | Find the center and radius of the circle $ x^2 + y^2 + 2 x + 2 y = 0 $. | 1 |
| 6503 | Find the center and radius of the circle $ \left( x + 5 \right)^2 + \left( y - 13 \right)^2 = 2 $. | 1 |
| 6504 | Find the center and radius of the circle $ x^2 + y^2 -8 y -7 = 0 $. | 1 |
| 6505 | Find the center and radius of the circle $ \left(x - 10 \right)^2 + \left( y - 3 \right)^2 = 36 $. | 1 |
| 6506 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , -9 \right)} $ and radius $ \color{blue}{ 5 }$ | 1 |
| 6507 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 1 , 2 \right)} $ and radius $ \color{blue}{ 5 }$ | 1 |
| 6508 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -4 \right)} $ and radius $ \color{blue}{ 2 }$ | 1 |
| 6509 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -12 , 7 \right)} $ and radius $ \color{blue}{ 6 }$ | 1 |
| 6510 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 0 \right)} $ and radius $ \color{blue}{ 7 }$ | 1 |
| 6511 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y + 4 \right)^2 = 169 $. | 1 |
| 6512 | 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( 10 , 4 \right) } $. | 1 |
| 6513 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 2 \right)} $ and radius $ \color{blue}{ 2 }$ | 1 |
| 6514 | Find the center and radius of the circle $ \left( x + 8 \right)^2 + \left( y - 9 \right)^2 = 16 $. | 1 |
| 6515 | Find the center and radius of the circle $ x^2 + y^2 + \frac{ 3 }{ 4 } x -\frac{ 5 }{ 4 } y -\frac{ 7 }{ 4 } = 0 $. | 1 |
| 6516 | Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y + 4 \right)^2 = \frac{ 29 }{ 4 } $. | 1 |
| 6517 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -3 , 1 \right)} $ and radius $ \color{blue}{ \frac{ 447 }{ 100 } }$ | 1 |
| 6518 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 4 , 0 \right)} $ and radius $ \color{blue}{ 0 }$ | 1 |
| 6519 | Find the center and radius of the circle $ \left( x + 10 \right)^2 + \left( y + 5 \right)^2 = 16 $. | 1 |
| 6520 | Find the center and radius of the circle $ x^2 + y^2 -16 x -16 y + 72 = 0 $. | 1 |
| 6521 | Find the center and radius of the circle $ x^2 + y^2 -16 y -46 = 0 $. | 1 |
| 6522 | Find the center and radius of the circle $ x^2 + \left( y + 2 \right)^2 = 16 $. | 1 |
| 6523 | Find the center and radius of the circle $ x^2 + y^2 + 4 x -2 y = 0 $. | 1 |
| 6524 | Find the center and radius of the circle $ \left(x - 4 \right)^2 + \left( y - 5 \right)^2 = 0 $. | 1 |
| 6525 | 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( 2 , 4 \right) } $. | 1 |
| 6526 | Find the center and radius of the circle $ \left( x + 4 \right)^2 + \left( y - 3 \right)^2 = 4 $. | 1 |
| 6527 | 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( -1 , 3 \right) } $. | 1 |
| 6528 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -4 , 3 \right)} $ passing throught the point $ \color{blue}{ P = \left( 2 , -4 \right) } $. | 1 |
| 6529 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 2 \right)} $ passing throught the point $ \color{blue}{ P = \left( 5 , 8 \right) } $. | 1 |
| 6530 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -4 , -2 \right)} $ and radius $ \color{blue}{ 10 }$ | 1 |
| 6531 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -5 , 2 \right)} $ and radius $ \color{blue}{ \frac{ 1 }{ 6 } }$ | 1 |
| 6532 | Find the center and radius of the circle $ x^2 + y^2 -6 x = 0 $. | 1 |
| 6533 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 5 , 5 \right)} $ passing throught the point $ \color{blue}{ P = \left( 0 , -2 \right) } $. | 1 |
| 6534 | Find the center and radius of the circle $ x^2 + y^2 + 16 x -8 y + 31 = 0 $. | 1 |
| 6535 | Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y - 1 \right)^2 = 14 $. | 1 |
| 6536 | Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y - 6 \right)^2 = 0 $. | 1 |
| 6537 | Find the center and radius of the circle $ x^2 + y^2 + 6 x -4 y + 3 = 0 $. | 1 |
| 6538 | Find the center and radius of the circle $ x^2 + y^2 -14 x -2 y + 4 = 0 $. | 1 |
| 6539 | Find the center and radius of the circle $ x^2 + y^2 -12 x + 4 y -39 = 0 $. | 1 |
| 6540 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 60 , 60 \right)} $ and radius $ \color{blue}{ 0 }$ | 1 |
| 6541 | Find the center and radius of the circle $ x^2 + y^2 + 8 x -\frac{ 7 }{ 2 } y = 0 $. | 1 |
| 6542 | Find the center and radius of the circle $ x^2 + y^2 -4 x + 20 y + 95 = 0 $. | 1 |
| 6543 | Find the center and radius of the circle $ x^2 + \left( y + 2 \right)^2 = 10 $. | 1 |
| 6544 | Find the center and radius of the circle $ x^2 + y^2 + 8 x -\frac{ 7 }{ 2 } y + \frac{ 49 }{ 16 } = 0 $. | 1 |
| 6545 | Find the center and radius of the circle $ x^2 + y^2 -2 x + 4 y = 0 $. | 1 |
| 6546 | Find the center and radius of the circle $ x^2 + y^2 + 18 x + 58 = 0 $. | 1 |
| 6547 | Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y + 2 \right)^2 = 49 $. | 1 |
| 6548 | Find the center and radius of the circle $ \left( x + 5 \right)^2 + \left( y - 5 \right)^2 = 225 $. | 1 |
| 6549 | Find the center and radius of the circle $ x^2 + y^2 -18 x -2 y +1 = 0 $. | 1 |
| 6550 | Find the center and radius of the circle $ x^2 + y^2 + 16 x + 14 y + 88 = 0 $. | 1 |
