Circle equation
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle equation Calculator.
| ID |
Problem |
Count |
| 5501 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -9 , 8 \right)} $ and radius $ \color{blue}{ 2 }$ | 1 |
| 5502 | Find the center and radius of the circle $ x^2 + y^2 -10 x + 12 y + 39 = 0 $. | 1 |
| 5503 | Find the center and radius of the circle $ x^2 + \left( y + 5 \right)^2 = 16 $. | 1 |
| 5504 | Find the center and radius of the circle $ \left(x - 2 \sqrt{ 3 } \right)^2 + y^2 = 12 $. | 1 |
| 5505 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -3 , 5 \right)} $ and radius $ \color{blue}{ 6 }$ | 1 |
| 5506 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -5 , -3 \right)} $ and radius $ \color{blue}{ 7 }$ | 1 |
| 5507 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -8 , 7 \right)} $ and radius $ \color{blue}{ 10 }$ | 1 |
| 5508 | Find the center and radius of the circle $ x^2 + y^2 + 16 x + 12 y = 0 $. | 1 |
| 5509 | Find the center and radius of the circle $ x^2 + y^2 -5 y -4 = 0 $. | 1 |
| 5510 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 1 , -7 \right)} $ passing throught the point $ \color{blue}{ P = \left( -4 , 5 \right) } $. | 1 |
| 5511 | Find the center and radius of the circle $ x^2 + y^2 + 4 x + 8 y -55 = 0 $. | 1 |
| 5512 | Find the center and radius of the circle $ x^2 + y^2 -2 x + 10 y + 20 = 0 $. | 1 |
| 5513 | Find the center and radius of the circle $ x^2 + y^2 -2 x -10 y + 20 = 0 $. | 1 |
| 5514 | Find the center and radius of the circle $ x^2 + y^2 -8 x -124 = 0 $. | 1 |
| 5515 | Find the center and radius of the circle $ x^2 + y^2 -10 x + 12 y + 12 = 0 $. | 1 |
| 5516 | Find the center and radius of the circle $ x^2 + y^2 + 4 x + 6 y + 4 = 0 $. | 1 |
| 5517 | Find the center and radius of the circle $ x^2 + y^2 -12 x + 14 y + 21 = 0 $. | 1 |
| 5518 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 9 , 1 \right)} $ and radius $ \color{blue}{ 1 }$ | 1 |
| 5519 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -7 , -7 \right)} $ and radius $ \color{blue}{ 0 }$ | 1 |
| 5520 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , 4 \right)} $ and radius $ \color{blue}{ 1 }$ | 1 |
| 5521 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 4 , 3 \right)} $ and radius $ \color{blue}{ 2 }$ | 1 |
| 5522 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -4 , 5 \right)} $ and radius $ \color{blue}{ 1 }$ | 1 |
| 5523 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 8 , -7 \right)} $ and radius $ \color{blue}{ 2 }$ | 1 |
| 5524 | Find the center and radius of the circle $ x^2 + \left( y + \frac{ 19 }{ 4 } \right)^2 = 9 $. | 1 |
| 5525 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + y^2 = 16 $. | 1 |
| 5526 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + y^2 = 16 $. | 1 |
| 5527 | Find the center and radius of the circle $ \left(x - 5 \right)^2 + \left( y - 1 \right)^2 = 0 $. | 1 |
| 5528 | Find the center and radius of the circle $ x^2 + y^2 = 25 $. | 1 |
| 5529 | Find the center and radius of the circle $ \left(x - 7 \right)^2 + \left( y + 5 \right)^2 = 4 $. | 1 |
| 5530 | Find the center and radius of the circle $ \left(x - 15 \right)^2 + y^2 = 100 $. | 1 |
| 5531 | Find the center and radius of the circle $ \left(x - 15 \right)^2 + y^2 = 40 $. | 1 |
| 5532 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 6 , 4 \right)} $ and radius $ \color{blue}{ \sqrt{ 3 } }$ | 1 |
| 5533 | Find the center and radius of the circle $ \left( x + 4 \right)^2 + \left( y - 3 \right)^2 = 7 $. | 1 |
| 5534 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -9 , -1 \right)} $ and radius $ \color{blue}{ 4 }$ | 1 |
| 5535 | Find the center and radius of the circle $ x^2 + y^2 + 6 x + 18 y + 86 = 0 $. | 1 |
| 5536 | Find the center and radius of the circle $ x^2 + y^2 + 6 x -18 y + 86 = 0 $. | 1 |
| 5537 | Find the center and radius of the circle $ x^2 + y^2 -14 x -2 y = 0 $. | 1 |
| 5538 | Find the center and radius of the circle $ x^2 + y^2 -14 x -2 y + 25 = 0 $. | 1 |
| 5539 | Find the center and radius of the circle $ x^2 + y^2 + 8 x + 10 y + 8 = 0 $. | 1 |
| 5540 | Find the center and radius of the circle $ x^2 + y^2 -2 x + 2 y -20 = 0 $. | 1 |
| 5541 | Find the center and radius of the circle $ x^2 + y^2 -12 x + 5 = 0 $. | 1 |
| 5542 | Find the center and radius of the circle $ x^2 + y^2 -2 x -4 y -7 = 0 $. | 1 |
| 5543 | Find the center and radius of the circle $ x^2 + y^2 -4 x -2 y + 2 = 0 $. | 1 |
| 5544 | Find the center and radius of the circle $ x^2 + \left( y - 5 \right)^2 = 49 $. | 1 |
| 5545 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -4 , -6 \right)} $ and radius $ \color{blue}{ 6 }$ | 1 |
| 5546 | Find the center and radius of the circle $ x^2 + y^2 -18 x -12 y + 69 = 0 $. | 1 |
| 5547 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -10 , -10 \right)} $ and radius $ \color{blue}{ 3 }$ | 1 |
| 5548 | 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( -14 , 2 \right) } $. | 1 |
| 5549 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -2 , 3 \right)} $ passing throught the point $ \color{blue}{ P = \left( -14 , 2 \right) } $. | 1 |
| 5550 | 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( -14 , -2 \right) } $. | 1 |