Circle equation
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle equation Calculator.
| ID |
Problem |
Count |
| 701 | | 5 |
| 702 | Find the center and radius of the circle $ \left(x - 20 \right)^2 + \left( y + 9 \right)^2 = 0 $. | 5 |
| 703 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -5 , 0 \right)} $ and radius $ \color{blue}{ 4 }$ | 5 |
| 704 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 5 , 0 \right)} $ and radius $ \color{blue}{ 4 }$ | 5 |
| 705 | Find the center and radius of the circle $ \left(x - 18 \right)^2 + \left( y + 7 \right)^2 = 441 $. | 5 |
| 706 | Find the center and radius of the circle $ \left( x + 4 \right)^2 + \left( y + 2 \right)^2 = 4 $. | 5 |
| 707 | Find the center and radius of the circle $ \left( x + 4 \right)^2 + \left( y - 5 \right)^2 = 49 $. | 5 |
| 708 | | 5 |
| 709 | 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( 12 , -2 \right) } $. | 5 |
| 710 | Find the center and radius of the circle $ x^2 + y^2 +x -3 = 0 $. | 5 |
| 711 | | 5 |
| 712 | Find the center and radius of the circle $ \left( x + 9 \right)^2 + \left( y + 4 \right)^2 = 25 $. | 5 |
| 713 | Find the center and radius of the circle $ \left(x - 9 \right)^2 + \left( y + 4 \right)^2 = 25 $. | 5 |
| 714 | Find the center and radius of the circle $ x^2 + y^2 -6 x -32 y + 264 = 0 $. | 5 |
| 715 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 11 , 4 \right)} $ and radius $ \color{blue}{ 1 }$ | 5 |
| 716 | Find the center and radius of the circle $ x^2 + y^2 -6 x + 36 y -107 = 0 $. | 5 |
| 717 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( \frac{ 1 }{ 3 } , 2 \right)} $ and radius $ \color{blue}{ 4 }$ | 5 |
| 718 | Find the center and radius of the circle $ x^2 + y^2 -16 x + 6 y + 9 = 0 $. | 5 |
| 719 | Find the center and radius of the circle $ \left( x + 1 \right)^2 + \left( y + 1 \right)^2 = 0 $. | 5 |
| 720 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 0 \right)} $ and radius $ \color{blue}{ 11 }$ | 5 |
| 721 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 0 \right)} $ and radius $ \color{blue}{ 16 }$ | 5 |
| 722 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 1 , 2 \right)} $ and radius $ \color{blue}{ 4 }$ | 5 |
| 723 | Find the center and radius of the circle $ x^2 + y^2 + \frac{ 3 }{ 2 } x + \frac{ 1 }{ 2 } y + \frac{ 3 }{ 2 } = 0 $. | 5 |
| 724 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 4 , -1 \right)} $ and radius $ \color{blue}{ 3 }$ | 5 |
| 725 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 1 , -2 \right)} $ and radius $ \color{blue}{ 6 }$ | 5 |
| 726 | Find the center and radius of the circle $ x^2 + y^2 = 289 $. | 5 |
| 727 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , -2 \right)} $ passing throught the point $ \color{blue}{ P = \left( 6 , 2 \right) } $. | 5 |
| 728 | Find the center and radius of the circle $ \left( x + \frac{ 11 }{ 2 } \right)^2 + \left( y + 6 \right)^2 = \frac{ 7 }{ 2 } $. | 5 |
| 729 | Find the center and radius of the circle $ x^2 + y^2 + 10 x + 8 y + 32 = 0 $. | 5 |
| 730 | Find the center and radius of the circle $ \left( x + 6 \right)^2 + \left( y + 5 \right)^2 = 0 $. | 5 |
| 731 | 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( 3 , -8 \right) } $. | 5 |
| 732 | Find the center and radius of the circle $ \left( x + 4 \right)^2 + \left( y + 2 \right)^2 = 16 $. | 5 |
| 733 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -3 , 2 \right)} $ and radius $ \color{blue}{ \sqrt{ 26 } }$ | 5 |
| 734 | | 5 |
| 735 | Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y + 1 \right)^2 = 65 $. | 5 |
| 736 | | 5 |
| 737 | Find the center and radius of the circle $ x^2 + y^2 + 3 x + 4 y + 4 = 0 $. | 5 |
| 738 | Find the center and radius of the circle $ x^2 + y^2 -12 x + 14 y + 21 = 0 $. | 5 |
| 739 | Find the center and radius of the circle $ x^2 + y^2 + 8 x -12 y -64 = 0 $. | 5 |
| 740 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 1 , 2 \right)} $ passing throught the point $ \color{blue}{ P = \left( 4 , 2 \right) } $. | 5 |
| 741 | Find the center and radius of the circle $ x^2 + y^2 -6 x -10 y + 4 = 0 $. | 5 |
| 742 | | 5 |
| 743 | Find the center and radius of the circle $ x^2 + y^2 + 6 x -2 y + 4 = 0 $. | 5 |
| 744 | Find the center and radius of the circle $ \left( x + 1 \right)^2 + \left( y + 4 \right)^2 = 1 $. | 5 |
| 745 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -7 , -4 \right)} $ and radius $ \color{blue}{ 7 }$ | 5 |
| 746 | Find the center and radius of the circle $ \left( x + 4 \right)^2 + \left( y + 7 \right)^2 = 100 $. | 5 |
| 747 | Find the center and radius of the circle $ x^2 + y^2 + 8 x + 6 y + 39 = 0 $. | 5 |
| 748 | Find the center and radius of the circle $ \left(x - 5 \right)^2 + \left( y - 6 \right)^2 = 81 $. | 5 |
| 749 | Find the center and radius of the circle $ x^2 + \left( y - \frac{ 36 }{ 5 } \right)^2 = \frac{ 729 }{ 25 } $. | 5 |
| 750 | Find the center and radius of the circle $ x^2 + y^2 -4 x + 6 y -21 = 0 $. | 5 |