Circle equation
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle equation Calculator.
| ID |
Problem |
Count |
| 3901 | Find the center and radius of the circle $ x^2 + y^2 -18 x -5 y + 57 = 0 $. | 1 |
| 3902 | Find the center and radius of the circle $ x^2 + y^2 -16 x -12 y -31 = 0 $. | 1 |
| 3903 | Find the center and radius of the circle $ x^2 + y^2 + 14 x -2 y = 0 $. | 1 |
| 3904 | Find the center and radius of the circle $ x^2 + y^2 + 16 x -14 y + 13 = 0 $. | 1 |
| 3905 | Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y - 4 \right)^2 = \frac{ 1 }{ 9 } $. | 1 |
| 3906 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 0 , 1 \right)} $ and radius $ \color{blue}{ 6 }$ | 1 |
| 3907 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 1 , 1 \right)} $ and radius $ \color{blue}{ 0 }$ | 1 |
| 3908 | 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( 5 , 1 \right) } $. | 1 |
| 3909 | Find the center and radius of the circle $ \left( x + 7 \right)^2 + \left( y + 9 \right)^2 = 0 $. | 1 |
| 3910 | Find the center and radius of the circle $ \left( x + 9 \right)^2 + \left( y - 6 \right)^2 = 25 $. | 1 |
| 3911 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + y^2 = 6 $. | 1 |
| 3912 | Find the center and radius of the circle $ \left(x - 5 \right)^2 + \left( y + 4 \right)^2 = 16 $. | 1 |
| 3913 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y - 3 \right)^2 = 3 $. | 1 |
| 3914 | Find the center and radius of the circle $ x^2 + y^2 = 3 $. | 1 |
| 3915 | Find the center and radius of the circle $ x^2 + y^2 = 6 $. | 1 |
| 3916 | Find the center and radius of the circle $ x^2 + y^2 = 9 $. | 1 |
| 3917 | Find the center and radius of the circle $ \left(x - 5 \right)^2 + \left( y + 2 \right)^2 = 6 $. | 1 |
| 3918 | Find the center and radius of the circle $ \left( x + 5 \right)^2 + \left( y - 2 \right)^2 = 6 $. | 1 |
| 3919 | Find the center and radius of the circle $ \left(x - 6 \right)^2 + \left( y - 3 \right)^2 = 13 $. | 1 |
| 3920 | Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y - 6 \right)^2 = 132 $. | 1 |
| 3921 | Find the center and radius of the circle $ \left(x - 9 \right)^2 + \left( y - 5 \right)^2 = \frac{ 169 }{ 4 } $. | 1 |
| 3922 | Find the center and radius of the circle $ \left( x + 12 \right)^2 + \left( y + 3 \right)^2 = 9 $. | 1 |
| 3923 | Find the center and radius of the circle $ \left( x + 9 \right)^2 + \left( y - 2 \right)^2 = 144 $. | 1 |
| 3924 | Find the center and radius of the circle $ \left(x - 1 \right)^2 + y^2 = 5 $. | 1 |
| 3925 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y + 9 \right)^2 = 9 $. | 1 |
| 3926 | Find the center and radius of the circle $ x^2 + y^2 + 3 x -y -90 = 0 $. | 1 |
| 3927 | Find the center and radius of the circle $ x^2 + y^2 + 8 x -12 y -27 = 0 $. | 1 |
| 3928 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 3 \right)} $ and radius $ \color{blue}{ 10 }$ | 1 |
| 3929 | Find the center and radius of the circle $ x^2 + y^2 -8 x = 0 $. | 1 |
| 3930 | | 1 |
| 3931 | Find the center and radius of the circle $ x^2 + y^2 -14 x + 6 y -6 = 0 $. | 1 |
| 3932 | Find the center and radius of the circle $ x^2 + \left( y + 3 \right)^2 = 25 $. | 1 |
| 3933 | Find the center and radius of the circle $ x^2 + y^2 + 14 x -18 y -25 = 0 $. | 1 |
| 3934 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , 5 \right)} $ and radius $ \color{blue}{ 4 }$ | 1 |
| 3935 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -6 , 3 \right)} $ and radius $ \color{blue}{ 2 }$ | 1 |
| 3936 | Find the center and radius of the circle $ x^2 + y^2 = 196 $. | 1 |
| 3937 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 1 , 7 \right)} $ and radius $ \color{blue}{ 0 }$ | 1 |
| 3938 | 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( 11 , -17 \right) } $. | 1 |
| 3939 | Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y - \frac{ 1 }{ 2 } \right)^2 = 3 $. | 1 |
| 3940 | Find the center and radius of the circle $ x^2 + y^2 = 0 $. | 1 |
| 3941 | Find the center and radius of the circle $ x^2 + y^2 + 20 x -14 y + 49 = 0 $. | 1 |
| 3942 | Find the center and radius of the circle $ \left(x - 5 \right)^2 + \left( y - 2 \right)^2 = \sqrt{ 29 } $. | 1 |
| 3943 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 5 , 2 \right)} $ and radius $ \color{blue}{ \sqrt{ 29 } }$ | 1 |
| 3944 | Find the center and radius of the circle $ x^2 + y^2 + \frac{ 7 }{ 2 } x -\frac{ 5 }{ 2 } y -\frac{ 1 }{ 2 } = 0 $. | 1 |
| 3945 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , 2 \right)} $ and radius $ \color{blue}{ 4 }$ | 1 |
| 3946 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -9 , -5 \right)} $ and radius $ \color{blue}{ 1 }$ | 1 |
| 3947 | Find the center and radius of the circle $ \left( x + 11 \right)^2 + \left( y + 13 \right)^2 = 16 $. | 1 |
| 3948 | Find the center and radius of the circle $ \left( x + 4 \right)^2 + \left( y + 2 \right)^2 = 9 $. | 1 |
| 3949 | Find the center and radius of the circle $ x^2 + y^2 -20 x -24 y + 195 = 0 $. | 1 |
| 3950 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , -7 \right)} $ and radius $ \color{blue}{ \sqrt{ 55 } }$ | 1 |