Circle equation
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle equation Calculator.
| ID |
Problem |
Count |
| 4151 | Find the center and radius of the circle $ x^2 + y^2 + 8 x -10 y + 16 = 0 $. | 1 |
| 4152 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 8 , -10 \right)} $ and radius $ \color{blue}{ \frac{ 1 }{ 5 } }$ | 1 |
| 4153 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , -4 \right)} $ passing throught the point $ \color{blue}{ P = \left( 4 , 3 \right) } $. | 1 |
| 4154 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , -9 \right)} $ and radius $ \color{blue}{ 8 }$ | 1 |
| 4155 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 8 , 5 \right)} $ and radius $ \color{blue}{ 9 }$ | 1 |
| 4156 | Find the center and radius of the circle $ \left(x - 5 \right)^2 + \left( y + 6 \right)^2 = 9 $. | 1 |
| 4157 | Find the center and radius of the circle $ \left(x - 9 \right)^2 + y^2 = 60 $. | 1 |
| 4158 | Find the center and radius of the circle $ x^2 + y^2 + 8 x -4 y + 11 = 0 $. | 1 |
| 4159 | Find the center and radius of the circle $ x^2 + y^2 + 24 x + 10 y + 160 = 0 $. | 1 |
| 4160 | Find the center and radius of the circle $ \left( x + 664 \right)^2 + \left( y + 2121 \right)^2 = 551 $. | 1 |
| 4161 | Find the center and radius of the circle $ \left(x - 664 \right)^2 + \left( y - \frac{ 21213 }{ 10 } \right)^2 = 303601 $. | 1 |
| 4162 | Find the center and radius of the circle $ \left( x + 5 \right)^2 + \left( y - 1 \right)^2 = 176 $. | 1 |
| 4163 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -20 , 12 \right)} $ and radius $ \color{blue}{ \frac{ 7 }{ 2 } }$ | 1 |
| 4164 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -18 , -12 \right)} $ and radius $ \color{blue}{ 5 }$ | 1 |
| 4165 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -18 , -12 \right)} $ and radius $ \color{blue}{ 5 }$ | 1 |
| 4166 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y + 2 \right)^2 = 6 $. | 1 |
| 4167 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 16 , 13 \right)} $ and radius $ \color{blue}{ 2 }$ | 1 |
| 4168 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -17 , 11 \right)} $ and radius $ \color{blue}{ 6 }$ | 1 |
| 4169 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 0 \right)} $ and radius $ \color{blue}{ \frac{ 25 }{ 2 } }$ | 1 |
| 4170 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -20 , 12 \right)} $ and radius $ \color{blue}{ \frac{ 25 }{ 2 } }$ | 1 |
| 4171 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 17 , 11 \right)} $ and radius $ \color{blue}{ \frac{ 25 }{ 2 } }$ | 1 |
| 4172 | Find the center and radius of the circle $ x^2 + y^2 -3 x + 2 y + 2 = 0 $. | 1 |
| 4173 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , -3 \right)} $ and radius $ \color{blue}{ 29 }$ | 1 |
| 4174 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 2 , -1 \right)} $ and radius $ \color{blue}{ 7 }$ | 1 |
| 4175 | Find the center and radius of the circle $ \left(x - 9 \right)^2 + \left( y - 12 \right)^2 = 14 $. | 1 |
| 4176 | Find the center and radius of the circle $ \left( x + 9 \right)^2 + \left( y - 12 \right)^2 = 196 $. | 1 |
| 4177 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -4 , -2 \right)} $ and radius $ \color{blue}{ \frac{ 503 }{ 10 } }$ | 1 |
| 4178 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -4 , -3 \right)} $ and radius $ \color{blue}{ 5 }$ | 1 |
| 4179 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 8 , 7 \right)} $ and radius $ \color{blue}{ \frac{ 3 }{ 2 } }$ | 1 |
| 4180 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 6 , 6 \right)} $ and radius $ \color{blue}{ \frac{ 3 }{ 5 } }$ | 1 |
| 4181 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , 3 \right)} $ and radius $ \color{blue}{ \sqrt{ 40 } }$ | 1 |
| 4182 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 3 , 3 \right)} $ and radius $ \color{blue}{ \sqrt{ 40 } }$ | 1 |
| 4183 | Find the center and radius of the circle $ x^2 + y^2 -6 x -6 y -22 = 0 $. | 1 |
| 4184 | | 1 |
| 4185 | Find the center and radius of the circle $ x^2 + y^2 -7 x -8 y + 25 = 0 $. | 1 |
| 4186 | Find the center and radius of the circle $ x^2 + y^2 + 8 x -10 y + 40 = 0 $. | 1 |
| 4187 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -4 , 8 \right)} $ passing throught the point $ \color{blue}{ P = \left( -2 , 1 \right) } $. | 1 |
| 4188 | Find the center and radius of the circle $ x^2 + y^2 -x + 2 y -1 = 0 $. | 1 |
| 4189 | Find the center and radius of the circle $ \left(x - 6 \right)^2 + \left( y + 6 \right)^2 = 25 $. | 1 |
| 4190 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 7 , -2 \right)} $ and radius $ \color{blue}{ 4 }$ | 1 |
| 4191 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 7 , -4 \right)} $ and radius $ \color{blue}{ 12 }$ | 1 |
| 4192 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 7 , -4 \right)} $ and radius $ \color{blue}{ 6 }$ | 1 |
| 4193 | Find the center and radius of the circle $ x^2 + y^2 -8 x + 9 y -16 = 0 $. | 1 |
| 4194 | Find the center and radius of the circle $ \left( x + 6 \right)^2 + \left( y - 8 \right)^2 = 10 $. | 1 |
| 4195 | Find the center and radius of the circle $ x^2 + y^2 + 2 x -12 y = 0 $. | 1 |
| 4196 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -\frac{ 3 }{ 2 } , 2 \right)} $ and radius $ \color{blue}{ \frac{ 3 }{ 2 } }$ | 1 |
| 4197 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -\frac{ 3 }{ 2 } , -2 \right)} $ and radius $ \color{blue}{ \frac{ 3 }{ 2 } }$ | 1 |
| 4198 | Find the center and radius of the circle $ x^2 + y^2 -\frac{ 1 }{ 6 } x + \frac{ 1 }{ 6 } y + \frac{ 1 }{ 72 } = 0 $. | 1 |
| 4199 | Find the center and radius of the circle $ x^2 + y^2 -\frac{ 1 }{ 6 } x + \frac{ 1 }{ 6 } y -\frac{ 1 }{ 72 } = 0 $. | 1 |
| 4200 | Find the center and radius of the circle $ \left(x - 6 \right)^2 + \left( y + 7 \right)^2 = 64 $. | 1 |