Circle equation
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle equation Calculator.
| ID |
Problem |
Count |
| 6551 | Find the center and radius of the circle $ x^2 + y^2 + 18 = 0 $. | 1 |
| 6552 | Find the center and radius of the circle $ \left(x - 1 \right)^2 + \left( y - \frac{ 1 }{ 2 } \right)^2 = \frac{ 1 }{ 4 } $. | 1 |
| 6553 | Find the center and radius of the circle $ x^2 + y^2 -2 x -y +1 = 0 $. | 1 |
| 6554 | Find the center and radius of the circle $ x^2 + y^2 -2 x -3 = 0 $. | 1 |
| 6555 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , \frac{ 1 }{ 2 } \right)} $ and radius $ \color{blue}{ \frac{ 5 }{ 2 } }$ | 1 |
| 6556 | Find the center and radius of the circle $ x^2 + y^2 + 12 x + 14 y + 86 = 0 $. | 1 |
| 6557 | Find the center and radius of the circle $ x^2 + y^2 + 2 = 0 $. | 1 |
| 6558 | Find the center and radius of the circle $ x^2 + y^2 -2 = 0 $. | 1 |
| 6559 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 0 \right)} $ and radius $ \color{blue}{ \frac{ 59 }{ 10 } }$ | 1 |
| 6560 | Find the center and radius of the circle $ x^2 + y^2 -22 x + 6 y -129 = 0 $. | 1 |
| 6561 | Find the center and radius of the circle $ x^2 + y^2 -18 x + 4 y -15 = 0 $. | 1 |
| 6562 | Find the center and radius of the circle $ x^2 + y^2 -8 y + 2 = 0 $. | 1 |
| 6563 | Find the center and radius of the circle $ x^2 + y^2 -12 x -8 y + 2 = 0 $. | 1 |
| 6564 | Find the center and radius of the circle $ \left( x + 9 \right)^2 + \left( y + 7 \right)^2 = 0.4 $. | 1 |
| 6565 | Find the center and radius of the circle $ x^2 + y^2 -\frac{ 5 }{ 2 } x + \frac{ 5 }{ 2 } y + 2 = 0 $. | 1 |
| 6566 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( \sqrt{ 5 } , \sqrt{ 2 } \right)} $ and radius $ \color{blue}{ \sqrt{ 7 } }$ | 1 |
| 6567 | Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y + 1 \right)^2 = 2 \sqrt{ 5 } $. | 1 |
| 6568 | Find the center and radius of the circle $ \left(x - 6 \right)^2 + \left( y - 8 \right)^2 = 0 $. | 1 |
| 6569 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -4 , 1 \right)} $ and radius $ \color{blue}{ \sqrt{ 13 } }$ | 1 |
| 6570 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 5 , 15 \right)} $ passing throught the point $ \color{blue}{ P = \left( 2 , -3 \right) } $. | 1 |
| 6571 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y - \frac{ 1 }{ 2 } \right)^2 = \frac{ 27 }{ 4 } $. | 1 |
| 6572 | Find the center and radius of the circle $ x^2 + y^2 + 10 x + 12 y + 12 = 0 $. | 1 |
| 6573 | Find the center and radius of the circle $ x^2 + y^2 -4 x -6 y + 5 = 0 $. | 1 |
| 6574 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , -7 \right)} $ and radius $ \color{blue}{ 6 }$ | 1 |
| 6575 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 2 \right)} $ and radius $ \color{blue}{ 5 }$ | 1 |
| 6576 | Find the center and radius of the circle $ x^2 + y^2 + 2 y = 0 $. | 1 |
| 6577 | Find the center and radius of the circle $ x^2 + y^2 -x = 0 $. | 1 |
| 6578 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 6 , \frac{ 3 }{ 4 } \right)} $ and radius $ \color{blue}{ \frac{ 23 }{ 6 } }$ | 1 |
| 6579 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 7 , 9 \right)} $ passing throught the point $ \color{blue}{ P = \left( 11 , 12 \right) } $. | 1 |
| 6580 | Find the center and radius of the circle $ x^2 + y^2 + 2 x + 6 y -8 = 0 $. | 1 |
| 6581 | Find the center and radius of the circle $ x^2 + y^2 + 4 x -6 y -36 = 0 $. | 1 |
| 6582 | Find the center and radius of the circle $ x^2 + y^2 + 8 x + 2 = 0 $. | 1 |
| 6583 | Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y + 4 \right)^2 = 50 $. | 1 |
| 6584 | Find the center and radius of the circle $ x^2 + y^2 + 8 x -2 = 0 $. | 1 |
| 6585 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -5 , 6 \right)} $ and radius $ \color{blue}{ 5 }$ | 1 |
| 6586 | 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( 2 , -3 \right) } $. | 1 |
| 6587 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , 5 \right)} $ and radius $ \color{blue}{ \frac{ 3 }{ 5 } }$ | 1 |
| 6588 | Find the center and radius of the circle $ x^2 + y^2 + 2 x -6 y + 4 = 0 $. | 1 |
| 6589 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 1 , -7 \right)} $ and radius $ \color{blue}{ 5 }$ | 1 |
| 6590 | Find the center and radius of the circle $ x^2 + y^2 + 6 y + 16 = 0 $. | 1 |
| 6591 | Find the center and radius of the circle $ x^2 + y^2 + 6 y + 19 = 0 $. | 1 |
| 6592 | Find the center and radius of the circle $ x^2 + \left( y + 3 \right)^2 = 19 $. | 1 |
| 6593 | Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y - 281 \right)^2 = 0 $. | 1 |
| 6594 | Find the center and radius of the circle $ x^2 + \left( y + 3 \right)^2 = 25 $. | 1 |
| 6595 | Find the center and radius of the circle $ \left( x + 4 \right)^2 + y^2 = 18 $. | 1 |
| 6596 | Find the center and radius of the circle $ x^2 + y^2 -5 x + 3 y -\frac{ 7 }{ 2 } = 0 $. | 1 |
| 6597 | Find the center and radius of the circle $ \left( x + 7 \right)^2 + \left( y + 7 \right)^2 = 196 $. | 1 |
| 6598 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y - 3 \right)^2 = 0 $. | 1 |
| 6599 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y - 3 \right)^2 = 8 $. | 1 |
| 6600 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 6 , 12 \right)} $ passing throught the point $ \color{blue}{ P = \left( 0 , -10 \right) } $. | 1 |