Circle equation
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle equation Calculator.
| ID |
Problem |
Count |
| 601 | Find the center and radius of the circle $ \left( x + 5 \right)^2 + \left( y - 7 \right)^2 = 3 $. | 5 |
| 602 | Find the center and radius of the circle $ \left(x - 1 \right)^2 + \left( y + 6 \right)^2 = 25 $. | 5 |
| 603 | Find the center and radius of the circle $ x^2 + y^2 = 0 $. | 5 |
| 604 | Find the center and radius of the circle $ \left( x + 10 \right)^2 + \left( y - 4 \right)^2 = 196 $. | 5 |
| 605 | Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y + 6 \right)^2 = 4 $. | 5 |
| 606 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -4 , 4 \right)} $ passing throught the point $ \color{blue}{ P = \left( 0 , 0 \right) } $. | 5 |
| 607 | | 5 |
| 608 | Find the center and radius of the circle $ x^2 + y^2 = \sqrt{ 85 } $. | 5 |
| 609 | Find the center and radius of the circle $ x^2 + y^2 + 10 x = 0 $. | 5 |
| 610 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 7 , 6 \right)} $ and radius $ \color{blue}{ 4 }$ | 5 |
| 611 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -2 , 8 \right)} $ and radius $ \color{blue}{ \sqrt{ 5 } }$ | 5 |
| 612 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -1 , 3 \right)} $ and radius $ \color{blue}{ 6 }$ | 5 |
| 613 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 1 , 3 \right)} $ and radius $ \color{blue}{ 6 }$ | 5 |
| 614 | Find general equation of a circle with a center at $ \color{blue}{C = \left( \frac{ 3 }{ 2 } , -\frac{ 1 }{ 2 } \right)} $ and radius $ \color{blue}{ 0 }$ | 5 |
| 615 | Find the center and radius of the circle $ \left( x + 5 \right)^2 + \left( y - 3 \right)^2 = 9 $. | 5 |
| 616 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , 1 \right)} $ and radius $ \color{blue}{ 3 }$ | 5 |
| 617 | Find the center and radius of the circle $ x^2 + y^2 -5 x + 2 y + 44 = 0 $. | 5 |
| 618 | Find the center and radius of the circle $ x^2 + y^2 -6 x + 6 y -18 = 0 $. | 5 |
| 619 | Find the center and radius of the circle $ x^2 + y^2 + 6 x + 7 y = 0 $. | 5 |
| 620 | | 5 |
| 621 | | 5 |
| 622 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -3 , 9 \right)} $ and radius $ \color{blue}{ 7 }$ | 5 |
| 623 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -3 , 9 \right)} $ and radius $ \color{blue}{ 7 }$ | 5 |
| 624 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -3 , 9 \right)} $ and radius $ \color{blue}{ 7 }$ | 5 |
| 625 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -3 , 8 \right)} $ and radius $ \color{blue}{ 7 }$ | 5 |
| 626 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -3 , 9 \right)} $ and radius $ \color{blue}{ 7 }$ | 5 |
| 627 | | 5 |
| 628 | | 5 |
| 629 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -3 , 9 \right)} $ and radius $ \color{blue}{ 6 }$ | 5 |
| 630 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -3 , 9 \right)} $ and radius $ \color{blue}{ 7 }$ | 5 |
| 631 | Find the center and radius of the circle $ \left( x + 7 \right)^2 + \left( y + 5 \right)^2 = 24 $. | 5 |
| 632 | Find the center and radius of the circle $ x^2 + y^2 -5 x + 3 y + 8 = 0 $. | 5 |
| 633 | Find the center and radius of the circle $ x^2 + y^2 + 6 x + 8 y +1 = 0 $. | 5 |
| 634 | Find the center and radius of the circle $ x^2 + y^2 + 5 x -3 y -3 = 0 $. | 5 |
| 635 | Find the center and radius of the circle $ x^2 + y^2 + 8 x + 15 y +1 = 0 $. | 5 |
| 636 | Find the center and radius of the circle $ x^2 + y^2 + 4 x + \frac{ 15 }{ 2 } y + \frac{ 1 }{ 2 } = 0 $. | 5 |
| 637 | Find the center and radius of the circle $ x^2 + y^2 + 4 x -6 y = 0 $. | 5 |
| 638 | Find the center and radius of the circle $ x^2 + y^2 + \frac{ 3 }{ 2 } x + \frac{ 7 }{ 2 } y +1 = 0 $. | 5 |
| 639 | | 5 |
| 640 | Find the center and radius of the circle $ \left(x - 5 \right)^2 + \left( y + 2 \right)^2 = 36 $. | 5 |
| 641 | Find the center and radius of the circle $ \left( x + 6 \right)^2 + \left( y - 8 \right)^2 = 81 $. | 5 |
| 642 | Find the center and radius of the circle $ x^2 + y^2 -6 x + 4 y -12 = 0 $. | 5 |
| 643 | Find the center and radius of the circle $ \left(x - 5 \right)^2 + \left( y - 4 \right)^2 = 8 \sqrt{ 2 } $. | 5 |
| 644 | Find the center and radius of the circle $ \left( x + 8 \right)^2 + \left( y + 7 \right)^2 = 1 $. | 5 |
| 645 | Find the center and radius of the circle $ x^2 + y^2 + 10 x + 6 = 0 $. | 5 |
| 646 | Find the center and radius of the circle $ x^2 + y^2 = 0 $. | 5 |
| 647 | Find the center and radius of the circle $ x^2 + y^2 + 8 x + 5 y + \frac{ 55 }{ 8 } = 0 $. | 5 |
| 648 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , -1 \right)} $ and radius $ \color{blue}{ 4 }$ | 5 |
| 649 | Find the center and radius of the circle $ x^2 + y^2 = 1 $. | 5 |
| 650 | Find the center and radius of the circle $ x^2 + y^2 -4 x + 2 y + 5 = 0 $. | 5 |