Circle equation
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle equation Calculator.
| ID |
Problem |
Count |
| 4351 | Find the center and radius of the circle $ \left( x + 4 \right)^2 + \left( y - 9 \right)^2 = 64 $. | 1 |
| 4352 | Find the center and radius of the circle $ \left( x + 6 \right)^2 + y^2 = 64 $. | 1 |
| 4353 | Find the center and radius of the circle $ x^2 + y^2 -4 x + 14 y + 19 = 0 $. | 1 |
| 4354 | Find the center and radius of the circle $ \left(x - 5 \right)^2 + \left( y + 2 \right)^2 = 100 $. | 1 |
| 4355 | Find the center and radius of the circle $ \left(x - 13 \right)^2 + \left( y + 12 \right)^2 = 16 $. | 1 |
| 4356 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , 0 \right)} $ and radius $ \color{blue}{ 4 \sqrt{ 5 } }$ | 1 |
| 4357 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y - 5 \right)^2 = 9 $. | 1 |
| 4358 | Find the center and radius of the circle $ x^2 + y^2 -8 x + 22 y + 121 = 0 $. | 1 |
| 4359 | | 1 |
| 4360 | Find the center and radius of the circle $ \left( x + 1 \right)^2 + y^2 = 25 $. | 1 |
| 4361 | | 1 |
| 4362 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 0 , -4 \right)} $ and radius $ \color{blue}{ \frac{ 5 }{ 2 } }$ | 1 |
| 4363 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 4 , -7 \right)} $ and radius $ \color{blue}{ 7 \sqrt{ 7 } }$ | 1 |
| 4364 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -3 , -4 \right)} $ passing throught the point $ \color{blue}{ P = \left( -6 , 5 \right) } $. | 1 |
| 4365 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -4 , -5 \right)} $ passing throught the point $ \color{blue}{ P = \left( -8 , 2 \right) } $. | 1 |
| 4366 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -4 , -5 \right)} $ passing throught the point $ \color{blue}{ P = \left( -8 , 2 \right) } $. | 1 |
| 4367 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -7 , 9 \right)} $ and radius $ \color{blue}{ 12 \sqrt{ 3 } }$ | 1 |
| 4368 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 8 , 0 \right)} $ passing throught the point $ \color{blue}{ P = \left( -2 , 1 \right) } $. | 1 |
| 4369 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 9 , 0 \right)} $ passing throught the point $ \color{blue}{ P = \left( -2 , 1 \right) } $. | 1 |
| 4370 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 8 , 0 \right)} $ passing throught the point $ \color{blue}{ P = \left( -2 , 1 \right) } $. | 1 |
| 4371 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -9 , 7 \right)} $ and radius $ \color{blue}{ 5 }$ | 1 |
| 4372 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -8 , -3 \right)} $ and radius $ \color{blue}{ 8 \sqrt{ 5 } }$ | 1 |
| 4373 | Find the center and radius of the circle $ \left(x - 3 \right)^2 + y^2 = 14 $. | 1 |
| 4374 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -4 , 1 \right)} $ and radius $ \color{blue}{ 4 }$ | 1 |
| 4375 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -3 , -4 \right)} $ and radius $ \color{blue}{ 90 }$ | 1 |
| 4376 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -3 , -4 \right)} $ passing throught the point $ \color{blue}{ P = \left( -6 , 5 \right) } $. | 1 |
| 4377 | Find the center and radius of the circle $ x^2 + \left( y + 2 \right)^2 = 0 $. | 1 |
| 4378 | Find the center and radius of the circle $ x^2 + y^2 -x + 6 y -\frac{ 63 }{ 4 } = 0 $. | 1 |
| 4379 | Find the center and radius of the circle $ \left( x + 10 \right)^2 + y^2 = 0 $. | 1 |
| 4380 | Find the center and radius of the circle $ \left( x + 2.5 \right)^2 + \left( y + \sqrt{ 14 } \right)^2 = 9 $. | 1 |
| 4381 | Find the center and radius of the circle $ x^2 + y^2 + 2 x + 3 y -5 = 0 $. | 1 |
| 4382 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y - 3 \right)^2 = 16 $. | 1 |
| 4383 | Find the center and radius of the circle $ \left(x - 8 \right)^2 + \left( y + 1 \right)^2 = 36 $. | 1 |
| 4384 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , 9 \right)} $ and radius $ \color{blue}{ 1 }$ | 1 |
| 4385 | Find the center and radius of the circle $ x^2 + y^2 + 6 x + 8 y + 9 = 0 $. | 1 |
| 4386 | Find the center and radius of the circle $ x^2 + y^2 = 6 $. | 1 |
| 4387 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 5 , 7 \right)} $ and radius $ \color{blue}{ 2 }$ | 1 |
| 4388 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -6 , -3 \right)} $ and radius $ \color{blue}{ 2 }$ | 1 |
| 4389 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , -2 \right)} $ passing throught the point $ \color{blue}{ P = \left( 3 , 1 \right) } $. | 1 |
| 4390 | Find the center and radius of the circle $ x^2 + y^2 + 2 x -2 y -47 = 0 $. | 1 |
| 4391 | Find the center and radius of the circle $ \left( x + 1 \right)^2 + \left( y - 1 \right)^2 = 49 $. | 1 |
| 4392 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , 0 \right)} $ and radius $ \color{blue}{ \sqrt{ 3 } }$ | 1 |
| 4393 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -6 , -2 \right)} $ passing throught the point $ \color{blue}{ P = \left( 3 , -6 \right) } $. | 1 |
| 4394 | Find the center and radius of the circle $ x^2 + y^2 + 8 x + 18 y + 48 = 0 $. | 1 |
| 4395 | Find the center and radius of the circle $ x^2 + y^2 -10 x + 20 y + 61 = 0 $. | 1 |
| 4396 | Find the center and radius of the circle $ \left( x + 10 \right)^2 + \left( y + 11 \right)^2 = 324 $. | 1 |
| 4397 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , -2 \right)} $ passing throught the point $ \color{blue}{ P = \left( 4 , 4 \right) } $. | 1 |
| 4398 | Find the center and radius of the circle $ \left( x + 5 \right)^2 + \left( y + 4 \right)^2 = 81 $. | 1 |
| 4399 | Find the center and radius of the circle $ x^2 + y^2 + 8 x -20 y -5 = 0 $. | 1 |
| 4400 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , -5 \right)} $ and radius $ \color{blue}{ 15 }$ | 1 |
