Circle equation
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle equation Calculator.
| ID |
Problem |
Count |
| 551 | Find the center and radius of the circle $ x^2 + y^2 -8 x -2 y + 16 = 0 $. | 5 |
| 552 | Find the center and radius of the circle $ x^2 + y^2 -\frac{ 5 }{ 2 } x + \frac{ 1 }{ 2 } y -371 = 0 $. | 5 |
| 553 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -9 , 10 \right)} $ passing throught the point $ \color{blue}{ P = \left( 7 , 1 \right) } $. | 5 |
| 554 | Find the center and radius of the circle $ \left( x + 5 \right)^2 + y^2 = 42 $. | 5 |
| 555 | Find the center and radius of the circle $ x^2 + y^2 -6 y + 2 = 0 $. | 5 |
| 556 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 1 , -1 \right)} $ passing throught the point $ \color{blue}{ P = \left( 6 , -5 \right) } $. | 5 |
| 557 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 6 \right)} $ passing throught the point $ \color{blue}{ P = \left( 1 , -2 \right) } $. | 5 |
| 558 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y - 9 \right)^2 = 36 $. | 5 |
| 559 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -6 , 0 \right)} $ and radius $ \color{blue}{ 6 }$ | 5 |
| 560 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -6 , 0 \right)} $ and radius $ \color{blue}{ 3 }$ | 5 |
| 561 | Find the center and radius of the circle $ x^2 + y^2 -3 x + 5 = 0 $. | 5 |
| 562 | Find the center and radius of the circle $ x^2 + y^2 + 4 x + 2 y -20 = 0 $. | 5 |
| 563 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , -6 \right)} $ and radius $ \color{blue}{ 4 }$ | 5 |
| 564 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 15 \right)} $ and radius $ \color{blue}{ \sqrt{ 13 } }$ | 5 |
| 565 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y + 2 \right)^2 = 8 $. | 5 |
| 566 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -3 , -4 \right)} $ and radius $ \color{blue}{ 9 }$ | 5 |
| 567 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 1 , 3 \right)} $ and radius $ \color{blue}{ 2 }$ | 5 |
| 568 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 2 , \frac{ 1 }{ 2 } \right)} $ and radius $ \color{blue}{ \sqrt{ 7 } }$ | 5 |
| 569 | Find the center and radius of the circle $ \left(x - 1 \right)^2 + \left( y - 3 \right)^2 = 4 $. | 5 |
| 570 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 2 , 4 \right)} $ and radius $ \color{blue}{ 6 }$ | 5 |
| 571 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 8 , -7 \right)} $ and radius $ \color{blue}{ 9 }$ | 5 |
| 572 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 0 , -2 \right)} $ and radius $ \color{blue}{ 10 }$ | 5 |
| 573 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 0 \right)} $ and radius $ \color{blue}{ 8 }$ | 5 |
| 574 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -2 , 0 \right)} $ and radius $ \color{blue}{ 8 }$ | 5 |
| 575 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y + 5 \right)^2 = 64 $. | 5 |
| 576 | Find the center and radius of the circle $ x^2 + y^2 + 6 x + 4 y + 13 = 0 $. | 5 |
| 577 | Find the center and radius of the circle $ x^2 + y^2 + 2 x + 8 y + 17 = 0 $. | 5 |
| 578 | Find the center and radius of the circle $ x^2 + y^2 + 2 x + 10 y -55 = 0 $. | 5 |
| 579 | Find the center and radius of the circle $ x^2 + y^2 + 6 x -10 y -15 = 0 $. | 5 |
| 580 | Find the center and radius of the circle $ x^2 + y^2 + 4 x + 4 y -17 = 0 $. | 5 |
| 581 | | 5 |
| 582 | Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y + 2 \right)^2 = 6 $. | 5 |
| 583 | | 5 |
| 584 | | 5 |
| 585 | Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y - 2 \right)^2 = 23 $. | 5 |
| 586 | Find the center and radius of the circle $ \left( x + 8 \right)^2 + \left( y + 4 \right)^2 = 16 $. | 5 |
| 587 | | 5 |
| 588 | Find the center and radius of the circle $ x^2 + y^2 + 8 y -128 = 0 $. | 5 |
| 589 | | 5 |
| 590 | Find the center and radius of the circle $ x^2 + y^2 -1 = 0 $. | 5 |
| 591 | Find the center and radius of the circle $ x^2 + y^2 + 4 x + 4 y -8 = 0 $. | 5 |
| 592 | Find the center and radius of the circle $ x^2 + \left( y + 2 \right)^2 = 9 $. | 5 |
| 593 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y + 1 \right)^2 = 16 $. | 5 |
| 594 | | 5 |
| 595 | Find the center and radius of the circle $ \left(x - 7 \right)^2 + \left( y + 1 \right)^2 = 5 $. | 5 |
| 596 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -7 , 1 \right)} $ and radius $ \color{blue}{ 5 }$ | 5 |
| 597 | Find the center and radius of the circle $ x^2 + y^2 +x + 4 y = 0 $. | 5 |
| 598 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 6 \right)} $ and radius $ \color{blue}{ 5 }$ | 5 |
| 599 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , 2 \right)} $ and radius $ \color{blue}{ 5 }$ | 5 |
| 600 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 4 , 9 \right)} $ passing throught the point $ \color{blue}{ P = \left( -8 , 14 \right) } $. | 5 |
