Circle equation
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle equation Calculator.
| ID |
Problem |
Count |
| 851 | Find the center and radius of the circle $ x^2 + y^2 + 4 x -10 y + 29 = 0 $. | 4 |
| 852 | Find the center and radius of the circle $ \left( x + 7 \right)^2 + \left( y + 8 \right)^2 = 64 $. | 4 |
| 853 | Find the center and radius of the circle $ x^2 + y^2 -6 x -3 = 0 $. | 4 |
| 854 | Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y + 11 \right)^2 = 196 $. | 4 |
| 855 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , -4 \right)} $ and radius $ \color{blue}{ 9 }$ | 4 |
| 856 | Find the center and radius of the circle $ x^2 + y^2 -2 x -8 y + 8 = 0 $. | 4 |
| 857 | Find the center and radius of the circle $ x^2 + y^2 -4 x -2 y +1 = 0 $. | 4 |
| 858 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , -1 \right)} $ and radius $ \color{blue}{ 4 }$ | 4 |
| 859 | Find the center and radius of the circle $ x^2 + y^2 -10 x + 6 y -47 = 0 $. | 4 |
| 860 | | 4 |
| 861 | Find the center and radius of the circle $ x^2 + y^2 -10 x -2 y + 10 = 0 $. | 4 |
| 862 | Find the center and radius of the circle $ x^2 + y^2 + 4 x -6 y -12 = 0 $. | 4 |
| 863 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( \frac{ 18 }{ 5 } , \frac{ 39 }{ 5 } \right)} $ and radius $ \color{blue}{ \frac{ 5 }{ 6 } }$ | 4 |
| 864 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 4 \right)} $ and radius $ \color{blue}{ 4 }$ | 4 |
| 865 | Find the center and radius of the circle $ x^2 + y^2 + 16 x + 4 y + 43 = 0 $. | 4 |
| 866 | Find the center and radius of the circle $ \left(x - 1 \right)^2 + \left( y + 2 \right)^2 = 25 $. | 4 |
| 867 | Find the center and radius of the circle $ \left(x - 1 \right)^2 + \left( y + 2 \right)^2 = 10 $. | 4 |
| 868 | Find the center and radius of the circle $ x^2 + y^2 = 0 $. | 4 |
| 869 | Find the center and radius of the circle $ x^2 + y^2 -14 y -15 = 0 $. | 4 |
| 870 | Find the center and radius of the circle $ x^2 + y^2 -10 x -12 y + 36 = 0 $. | 4 |
| 871 | Find the center and radius of the circle $ x^2 + y^2 -10 x + 4 y -20 = 0 $. | 4 |
| 872 | Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y + 9 \right)^2 = 286 $. | 4 |
| 873 | Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y - 1 \right)^2 = 1 $. | 4 |
| 874 | Find the center and radius of the circle $ x^2 + y^2 + 4 x + 8 y + 16 = 0 $. | 4 |
| 875 | 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( 4 , 1 \right) } $. | 4 |
| 876 | Find the center and radius of the circle $ \left(x - 10 \right)^2 + \left( y - 7 \right)^2 = 116 $. | 4 |
| 877 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , 3 \right)} $ and radius $ \color{blue}{ 2 }$ | 4 |
| 878 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y - 2 \right)^2 = 34 $. | 4 |
| 879 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -8 , 0 \right)} $ and radius $ \color{blue}{ 20 }$ | 4 |
| 880 | Find the center and radius of the circle $ \left( x + 16 \right)^2 + \left( y + 25 \right)^2 = 36 $. | 4 |
| 881 | Find the center and radius of the circle $ \left( x + 55 \right)^2 + \left( y + \frac{ 23 }{ 2 } \right)^2 = 121 $. | 4 |
| 882 | Find the center and radius of the circle $ x^2 + y^2 + 2 x -3 = 0 $. | 4 |
| 883 | Find the center and radius of the circle $ \left( x + 17 \right)^2 + \left( y + 19 \right)^2 = 49 $. | 4 |
| 884 | Find the center and radius of the circle $ x^2 + y^2 + 4 x + 20 y + 23 = 0 $. | 4 |
| 885 | Find the center and radius of the circle $ x^2 + y^2 + 8 x + 10 y + 29 = 0 $. | 4 |
| 886 | Find the center and radius of the circle $ x^2 + y^2 + 8 x -10 y -29 = 0 $. | 4 |
| 887 | Find the center and radius of the circle $ \left(x - 9 \right)^2 + \left( y - 4 \right)^2 = 400 $. | 4 |
| 888 | Find the center and radius of the circle $ x^2 + y^2 + 7 y + 12 = 0 $. | 4 |
| 889 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -4 \right)} $ and radius $ \color{blue}{ 3 }$ | 4 |
| 890 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -\frac{ 3 }{ 2 } , 2 \right)} $ and radius $ \color{blue}{ 0 }$ | 4 |
| 891 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + y^2 = 12 $. | 4 |
| 892 | Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y + 2 \right)^2 = 16 $. | 4 |
| 893 | Find the center and radius of the circle $ \left( x + 6 \right)^2 + \left( y + 15 \right)^2 = 144 $. | 4 |
| 894 | Find the center and radius of the circle $ \left( x + 1 \right)^2 + \left( y + 13 \right)^2 = 50 $. | 4 |
| 895 | Find the center and radius of the circle $ x^2 + y^2 + 4 x + 8 y + 45 = 0 $. | 4 |
| 896 | Find the center and radius of the circle $ \left(x - 1 \right)^2 + \left( y - 5 \right)^2 = 0 $. | 4 |
| 897 | | 4 |
| 898 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 0 \right)} $ and radius $ \color{blue}{ 0 }$ | 4 |
| 899 | | 4 |
| 900 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y - 4 \right)^2 = 49 $. | 4 |
