Circle equation
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle equation Calculator.
| ID |
Problem |
Count |
| 4401 | Find the center and radius of the circle $ x^2 + y^2 + 4 x -18 y + 81 = 0 $. | 1 |
| 4402 | Find the center and radius of the circle $ x^2 + y^2 -2 x -80 = 0 $. | 1 |
| 4403 | Find the center and radius of the circle $ x^2 + y^2 + 2 x + 4 y -44 = 0 $. | 1 |
| 4404 | Find the center and radius of the circle $ x^2 + y^2 -20 x -20 y + 100 = 0 $. | 1 |
| 4405 | Find the center and radius of the circle $ x^2 + y^2 -20 x -20 y + 100 = 0 $. | 1 |
| 4406 | Find the center and radius of the circle $ x^2 + y^2 + 20 x -20 y + 100 = 0 $. | 1 |
| 4407 | Find the center and radius of the circle $ x^2 + y^2 -20 x + 20 y + 100 = 0 $. | 1 |
| 4408 | Find the center and radius of the circle $ x^2 + y^2 -20 x -20 y + 100 = 0 $. | 1 |
| 4409 | Find the center and radius of the circle $ x^2 + y^2 -20 y + 100 = 0 $. | 1 |
| 4410 | Find the center and radius of the circle $ x^2 + y^2 -20 x + 100 = 0 $. | 1 |
| 4411 | Find the center and radius of the circle $ x^2 + y^2 -20 x -20 y = 0 $. | 1 |
| 4412 | | 1 |
| 4413 | | 1 |
| 4414 | Find the center and radius of the circle $ x^2 + y^2 + 8 y + 16 = 0 $. | 1 |
| 4415 | Find the center and radius of the circle $ x^2 + y^2 + 4 x + 8 y = 0 $. | 1 |
| 4416 | Find the center and radius of the circle $ x^2 + y^2 + 4 x + 8 y + 16 = 0 $. | 1 |
| 4417 | Find the center and radius of the circle $ x^2 + y^2 + 4 x + 8 y + 16 = 0 $. | 1 |
| 4418 | | 1 |
| 4419 | Find the center and radius of the circle $ x^2 + y^2 + 4 x + 8 y + 16 = 0 $. | 1 |
| 4420 | | 1 |
| 4421 | Find the center and radius of the circle $ x^2 + y^2 + 4 x + 16 = 0 $. | 1 |
| 4422 | Find the center and radius of the circle $ x^2 + y^2 + 4 x + 8 y + 16 = 0 $. | 1 |
| 4423 | Find the center and radius of the circle $ x^2 + y^2 + 4 x + 8 y + 16 = 0 $. | 1 |
| 4424 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 9 , -7 \right)} $ and radius $ \color{blue}{ 11 }$ | 1 |
| 4425 | Find the center and radius of the circle $ \left( x + 1 \right)^2 + \left( y - 2 \right)^2 = 3 $. | 1 |
| 4426 | Find the center and radius of the circle $ x^2 + y^2 -5 x -9 y + 2 = 0 $. | 1 |
| 4427 | | 1 |
| 4428 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( \frac{ 1 }{ 2 } , \frac{ 1 }{ 4 } \right)} $ and radius $ \color{blue}{ \frac{ 1 }{ 144 } }$ | 1 |
| 4429 | 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( -3 , 0 \right) } $. | 1 |
| 4430 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -3 \right)} $ and radius $ \color{blue}{ 3 }$ | 1 |
| 4431 | Find the center and radius of the circle $ x^2 + y^2 -8 x -20 y + 66 = 0 $. | 1 |
| 4432 | Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y - 8 \right)^2 = 2 $. | 1 |
| 4433 | Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y + 8 \right)^2 = 2 $. | 1 |
| 4434 | Find the center and radius of the circle $ \left( x + 4 \right)^2 + \left( y + 10 \right)^2 = 0 $. | 1 |
| 4435 | Find the center and radius of the circle $ \left( x + 4 \right)^2 + \left( y + 10 \right)^2 = 289 $. | 1 |
| 4436 | Find the center and radius of the circle $ x^2 + \left( y + 8 \right)^2 = 4 $. | 1 |
| 4437 | Find the center and radius of the circle $ x^2 + y^2 + 8 x + 20 y + 99 = 0 $. | 1 |
| 4438 | Find the center and radius of the circle $ x^2 + y^2 + 8 x + 20 y + 173 = 0 $. | 1 |
| 4439 | Find the center and radius of the circle $ x^2 + y^2 + 8 x + 20 y -173 = 0 $. | 1 |
| 4440 | Find the center and radius of the circle $ x^2 + y^2 + \frac{ 1 }{ 2 } y + \frac{ 783 }{ 16 } = 0 $. | 1 |
| 4441 | Find the center and radius of the circle $ x^2 + y^2 + \frac{ 1 }{ 2 } y -\frac{ 783 }{ 16 } = 0 $. | 1 |
| 4442 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , -1 \right)} $ and radius $ \color{blue}{ 13 }$ | 1 |
| 4443 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 4 , -6 \right)} $ passing throught the point $ \color{blue}{ P = \left( 0 , -18 \right) } $. | 1 |
| 4444 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -10 , 9 \right)} $ passing throught the point $ \color{blue}{ P = \left( -7 , 5 \right) } $. | 1 |
| 4445 | Find the center and radius of the circle $ x^2 + y^2 + 12 x + 18 y -52 = 0 $. | 1 |
| 4446 | Find the center and radius of the circle $ x^2 + y^2 -12 x + 18 y -52 = 0 $. | 1 |
| 4447 | Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y + \frac{ 7 }{ 8 } \right)^2 = \frac{ 16 }{ 9 } $. | 1 |
| 4448 | Find the center and radius of the circle $ x^2 + y^2 -18 x -2 y +1 = 0 $. | 1 |
| 4449 | Find the center and radius of the circle $ x^2 + y^2 -18 x -2 y +1 = 0 $. | 1 |
| 4450 | | 1 |
