Circle equation
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle equation Calculator.
| ID |
Problem |
Count |
| 1101 | Find the center and radius of the circle $ \left( x + 10 \right)^2 + \left( y + 14 \right)^2 = 9 $. | 4 |
| 1102 | Find the center and radius of the circle $ \left(x - 10 \right)^2 + \left( y - 14 \right)^2 = 9 $. | 4 |
| 1103 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , -9 \right)} $ and radius $ \color{blue}{ 6 }$ | 4 |
| 1104 | Find the center and radius of the circle $ \left( x + 1 \right)^2 + \left( y + 1 \right)^2 = 225 $. | 4 |
| 1105 | Find the center and radius of the circle $ \left( x + 11 \right)^2 + \left( y - 12 \right)^2 = 121 $. | 4 |
| 1106 | Find the center and radius of the circle $ \left(x - 5 \right)^2 + y^2 = 9 $. | 4 |
| 1107 | Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y - 1 \right)^2 = 4 $. | 4 |
| 1108 | Find the center and radius of the circle $ x^2 + y^2 -4 x -8 y -16 = 0 $. | 4 |
| 1109 | Find the center and radius of the circle $ \left( x + 5 \right)^2 + \left( y - 5 \right)^2 = 81 $. | 4 |
| 1110 | Find the center and radius of the circle $ x^2 + y^2 + 3 x + 6 y + 9 = 0 $. | 4 |
| 1111 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 2 , 1 \right)} $ and radius $ \color{blue}{ 3 }$ | 4 |
| 1112 | Find the center and radius of the circle $ x^2 + y^2 -2 x -4 y -20 = 0 $. | 4 |
| 1113 | Find the center and radius of the circle $ \left(x - 1 \right)^2 + \left( y + 2 \right)^2 = 64 $. | 3 |
| 1114 | Find the center and radius of the circle $ x^2 + y^2 + 8 x -2 y + 64 = 0 $. | 3 |
| 1115 | Find the center and radius of the circle $ x^2 + y^2 + 4 x -10 y + 13 = 0 $. | 3 |
| 1116 | Find the center and radius of the circle $ \left(x - 13 \right)^2 + \left( y - 9 \right)^2 = 49 $. | 3 |
| 1117 | Find the center and radius of the circle $ x^2 + y^2 + 3 x + 4 y + \frac{ 375 }{ 4 } = 0 $. | 3 |
| 1118 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -10 , 3 \right)} $ and radius $ \color{blue}{ 7 }$ | 3 |
| 1119 | Find the center and radius of the circle $ x^2 + y^2 + 24 x + 6 y + 137 = 0 $. | 3 |
| 1120 | Find the center and radius of the circle $ x^2 + y^2 + 6 x + 8 y + 24 = 0 $. | 3 |
| 1121 | Find the center and radius of the circle $ x^2 + \left( y + 3 \right)^2 = 16 $. | 3 |
| 1122 | Find the center and radius of the circle $ x^2 + y^2 -10 x + 20 y + 61 = 0 $. | 3 |
| 1123 | Find the center and radius of the circle $ x^2 + y^2 -2 x + 8 y + 7 = 0 $. | 3 |
| 1124 | Find general equation of a circle with a center at $ \color{blue}{C = \left( -6 , -\frac{ 23 }{ 10 } \right)} $ and radius $ \color{blue}{ \frac{ 1 }{ 10 } }$ | 3 |
| 1125 | Find the center and radius of the circle $ x^2 + y^2 + 6 x -4 y -36 = 0 $. | 3 |
| 1126 | Find the center and radius of the circle $ x^2 + y^2 -4 x -10 y + 20 = 0 $. | 3 |
| 1127 | Find the center and radius of the circle $ x^2 + y^2 -3 x + 12 y + 4 = 0 $. | 3 |
| 1128 | Find the center and radius of the circle $ \left( x + 8 \right)^2 + \left( y + 6 \right)^2 = 0 $. | 3 |
| 1129 | Find the center and radius of the circle $ x^2 + y^2 -6 x + 10 y -2 = 0 $. | 3 |
| 1130 | | 3 |
| 1131 | Find the center and radius of the circle $ x^2 + y^2 + 8 x + 4 y + 19 = 0 $. | 3 |
| 1132 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -3 , 1 \right)} $ and radius $ \color{blue}{ 5 }$ | 3 |
| 1133 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -6 \right)} $ passing throught the point $ \color{blue}{ P = \left( -\sqrt{ 32 } , -8 \right) } $. | 3 |
| 1134 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , 0 \right)} $ passing throught the point $ \color{blue}{ P = \left( -4 , \sqrt{ 108 } \right) } $. | 3 |
| 1135 | Find the center and radius of the circle $ \left( x + 5 \right)^2 + y^2 = 25 $. | 3 |
| 1136 | Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y + 4 \right)^2 = 9 $. | 3 |
| 1137 | Find the center and radius of the circle $ x^2 + y^2 + 6 x + 7 y + 37 = 0 $. | 3 |
| 1138 | Find the center and radius of the circle $ x^2 + y^2 + 6 x -4 y -12 = 0 $. | 3 |
| 1139 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -3 , -5 \right)} $ passing throught the point $ \color{blue}{ P = \left( 1 , 2 \right) } $. | 3 |
| 1140 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y - \frac{ 1 }{ 2 } \right)^2 = \frac{ 25 }{ 4 } $. | 3 |
| 1141 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , -7 \right)} $ and radius $ \color{blue}{ 8 }$ | 3 |
| 1142 | Find the center and radius of the circle $ x^2 + y^2 + 4 y -21 = 0 $. | 3 |
| 1143 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , 4 \right)} $ and radius $ \color{blue}{ 3 }$ | 3 |
| 1144 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , -\frac{ 1 }{ 7 } \right)} $ and radius $ \color{blue}{ \sqrt{ 7 } }$ | 3 |
| 1145 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 0 \right)} $ and radius $ \color{blue}{ \sqrt{ 2 } }$ | 3 |
| 1146 | Find the center and radius of the circle $ x^2 + y^2 -4 x -\frac{ 7 }{ 2 } y = 0 $. | 3 |
| 1147 | Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y + 5 \right)^2 = 0 $. | 3 |
| 1148 | Find the center and radius of the circle $ x^2 + y^2 -10 x -8 y + 28 = 0 $. | 3 |
| 1149 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -3 \right)} $ and radius $ \color{blue}{ 1 }$ | 3 |
| 1150 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , 0 \right)} $ and radius $ \color{blue}{ 4 }$ | 3 |
