Circle equation
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle equation Calculator.
| ID |
Problem |
Count |
| 751 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -4 \right)} $ and radius $ \color{blue}{ 1 }$ | 5 |
| 752 | Find the center and radius of the circle $ x^2 + y^2 + 6 x + 4 y + 12 = 0 $. | 5 |
| 753 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 6 , 3 \right)} $ passing throught the point $ \color{blue}{ P = \left( 0 , 0 \right) } $. | 5 |
| 754 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 10 , -15 \right)} $ and radius $ \color{blue}{ 25 }$ | 5 |
| 755 | Find Standard equation of a circle with a center at $ \color{blue}{C = \left( 5 , 2 \right)} $ and radius $ \color{blue}{ 1 }$ | 5 |
| 756 | 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( -1 , -4 \right) } $. | 5 |
| 757 | Find the center and radius of the circle $ x^2+y^2 + 4 x + 6 y + 4 = 0 $. | 5 |
| 758 | Find the center and radius of the circle $ (x-2)^2+(y+5)^2=25 $. | 5 |
| 759 | Find the center and radius of the circle $ (x+6)^2+(y+7)^2=4 $. | 5 |
| 760 | Find the center and radius of the circle $ x^2+y^2 -10 x + 6 y -47 = 0 $. | 5 |
| 761 | Find Standard equation of a circle with a center at $ \color{blue}{C = \left( -12 , 12 \right)} $ passing throught the point $ \color{blue}{ P = \left( -17 , 15 \right) } $. | 5 |
| 762 | Find the center and radius of the circle $ (x+4)^2+(y-3)^2=16 $. | 5 |
| 763 | Find the center and radius of the circle $ x^2+y^2 -12 x + 20 y + 72 = 0 $. | 5 |
| 764 | Find the center and radius of the circle $ (x+5)^2+(y+5)^2=20 $. | 5 |
| 765 | Find the center and radius of the circle $ (x-2)^2+(y+5)^2=4 $. | 5 |
| 766 | Find Standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , -2 \right)} $ and radius $ \color{blue}{ \sqrt{ 91 } }$ | 5 |
| 767 | Find the center and radius of the circle $ x^2+y^2 -2 x + 6 y -15 = 0 $. | 5 |
| 768 | Find Standard equation of a circle with a center at $ \color{blue}{C = \left( -5 , -9 \right)} $ and radius $ \color{blue}{ \sqrt{ 13 } }$ | 5 |
| 769 | Find the center and radius of the circle $ (x-3)^2+(y-4)^2=36 $. | 5 |
| 770 | Find the center and radius of the circle $ (x+7)^2+(y-5)^2=25 $. | 5 |
| 771 | Find the center and radius of the circle $ (x+3)^2+(y+8)^2=25 $. | 5 |
| 772 | Find Standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -6 \right)} $ and radius $ \color{blue}{ 97 }$ | 4 |
| 773 | Find the center and radius of the circle $ (x-2)^2+(y+5)^2=10 $. | 4 |
| 774 | Find the center and radius of the circle $ (x-2)^2+(y+5)^2=36 $. | 4 |
| 775 | Find the center and radius of the circle $ (x-1)^2+(y-3)^2=1 $. | 4 |
| 776 | Find Standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , -3 \right)} $ and radius $ \color{blue}{ 3 }$ | 4 |
| 777 | Find the center and radius of the circle $ (x+4)^2+(y+5)^2=8 $. | 4 |
| 778 | Find the center and radius of the circle $ x^2+y^2=4 $. | 4 |
| 779 | Find the center and radius of the circle $ x^2+y^2 -10 x -18 y + 57 = 0 $. | 4 |
| 780 | Find the center and radius of the circle $ x^2+y^2 + 6 x + 16 y + 37 = 0 $. | 4 |
| 781 | Find the center and radius of the circle $ (x+9)^2+(y+8)^2=1 $. | 4 |
| 782 | Find the center and radius of the circle $ (x+6)^2+y^2=\frac{361}{4} $. | 4 |
| 783 | Find the center and radius of the circle $ (x+3)^2+y^2=85 $. | 4 |
| 784 | Find the center and radius of the circle $ x^2+y^2 -4 x -5 y + 0 = 0 $. | 4 |
| 785 | Find Standard equation of a circle with a center at $ \color{blue}{C = \left( 4 , 1 \right)} $ and radius $ \color{blue}{ 16 }$ | 4 |
| 786 | Find the center and radius of the circle $ x^2 + y^2 -2 x + 12 y -12 = 0 $. | 4 |
| 787 | Find the center and radius of the circle $ x^2 + y^2 -8 x -10 y + 40 = 0 $. | 4 |
| 788 | Find the center and radius of the circle $ x^2 + y^2 -20 x + 40 y + 16 = 0 $. | 4 |
| 789 | Find the center and radius of the circle $ x^2 + y^2 + 8 y + 128 = 0 $. | 4 |
| 790 | Find the center and radius of the circle $ x^2 + y^2 -36 = 0 $. | 4 |
| 791 | Find the center and radius of the circle $ x^2 + y^2 -49 = 0 $. | 4 |
| 792 | Find the center and radius of the circle $ x^2 + y^2 + 6 x -8 y + 24 = 0 $. | 4 |
| 793 | Find the center and radius of the circle $ \left( x + 5 \right)^2 + y^2 = 100 $. | 4 |
| 794 | Find the center and radius of the circle $ x^2 + y^2 + 12 x + 6 y + 44 = 0 $. | 4 |
| 795 | Find the center and radius of the circle $ x^2 + y^2 -3 x + 4 y + \frac{ 17 }{ 4 } = 0 $. | 4 |
| 796 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y - 3 \right)^2 = 4 $. | 4 |
| 797 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y - 2 \right)^2 = 9 $. | 4 |
| 798 | Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y - 2 \right)^2 = 9 $. | 4 |
| 799 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y + 1 \right)^2 = 3 $. | 4 |
| 800 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 6 \right)} $ and radius $ \color{blue}{ 4 }$ | 4 |