Circle equation
(the database of solved problems)
All the problems and solutions shown below were generated using the Circle equation Calculator.
| ID |
Problem |
Count |
| 1201 | Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y - 4 \right)^2 = 49 $. | 3 |
| 1202 | Find the center and radius of the circle $ x^2 + y^2 + 2 x -8 y -64 = 0 $. | 3 |
| 1203 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , -7 \right)} $ and radius $ \color{blue}{ 3 }$ | 3 |
| 1204 | Find the center and radius of the circle $ x^2 + \left( y - 4 \right)^2 = 64 $. | 3 |
| 1205 | Find the center and radius of the circle $ x^2 + y^2 + 10 x + 6 y + 18 = 0 $. | 3 |
| 1206 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -4 , -7 \right)} $ and radius $ \color{blue}{ 2 }$ | 3 |
| 1207 | Find the center and radius of the circle $ \left( x + 11 \right)^2 + \left( y - 14 \right)^2 = 196 $. | 3 |
| 1208 | Find the center and radius of the circle $ x^2 + y^2 + 18 x -4 y -15 = 0 $. | 3 |
| 1209 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y + 4 \right)^2 = 9 $. | 3 |
| 1210 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -3 , -4 \right)} $ and radius $ \color{blue}{ 6 }$ | 3 |
| 1211 | Find the center and radius of the circle $ x^2 + y^2 -12 x + 16 y + 18 = 0 $. | 3 |
| 1212 | Find the center and radius of the circle $ x^2 + y^2 -8 x + 6 y + 16 = 0 $. | 3 |
| 1213 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 1 , 2 \right)} $ and radius $ \color{blue}{ 7 }$ | 3 |
| 1214 | Find the center and radius of the circle $ x^2 + \left( y - 3 \right)^2 = 9 $. | 3 |
| 1215 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , 2 \right)} $ and radius $ \color{blue}{ 4 }$ | 3 |
| 1216 | Find the center and radius of the circle $ x^2 + y^2 + \frac{ 3 }{ 2 } y + 5 = 0 $. | 3 |
| 1217 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -5 , 6 \right)} $ and radius $ \color{blue}{ 4 }$ | 3 |
| 1218 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 0 \right)} $ and radius $ \color{blue}{ 18 }$ | 3 |
| 1219 | Find the center and radius of the circle $ \left(x - 9 \right)^2 + \left( y - 7 \right)^2 = 100 $. | 3 |
| 1220 | Find the center and radius of the circle $ \left( x + 6 \right)^2 + \left( y + 6 \right)^2 = 0 $. | 3 |
| 1221 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , -2 \right)} $ and radius $ \color{blue}{ 5 }$ | 3 |
| 1222 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y + 3 \right)^2 = 9 $. | 3 |
| 1223 | Find the center and radius of the circle $ x^2 + y^2 -2 x -4 y + 20 = 0 $. | 3 |
| 1224 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -1 \right)} $ and radius $ \color{blue}{ 5 }$ | 3 |
| 1225 | Find the center and radius of the circle $ \left( x + 5 \right)^2 + \left( y - 3 \right)^2 = 4 $. | 3 |
| 1226 | Find the center and radius of the circle $ x^2 + y^2 + 36 x + 24 y + 23 = 0 $. | 3 |
| 1227 | Find the center and radius of the circle $ \left( x + 1 \right)^2 + \left( y - 4 \right)^2 = 36 $. | 3 |
| 1228 | Find the center and radius of the circle $ \left(x - 4 \right)^2 + \left( y - 8 \right)^2 = 25 $. | 3 |
| 1229 | Find the center and radius of the circle $ \left( x + 7 \right)^2 + \left( y + 7 \right)^2 = 0 $. | 3 |
| 1230 | Find the center and radius of the circle $ x^2 + y^2 + 8 x -8 y + 24 = 0 $. | 3 |
| 1231 | 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( 0 , \frac{ 7 }{ 4 } \right) } $. | 3 |
| 1232 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 1 , -8 \right)} $ and radius $ \color{blue}{ 3 }$ | 3 |
| 1233 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -9 , -4 \right)} $ and radius $ \color{blue}{ 8 }$ | 3 |
| 1234 | Find the center and radius of the circle $ x^2 + y^2 = 10 $. | 3 |
| 1235 | Find the center and radius of the circle $ x^2 + y^2 -6 x -14 y -23 = 0 $. | 3 |
| 1236 | Find the center and radius of the circle $ x^2 + y^2 -14 x + 4 y + 49 = 0 $. | 3 |
| 1237 | Find the center and radius of the circle $ x^2 + y^2 -4 x + 5 y -2 = 0 $. | 3 |
| 1238 | Find the center and radius of the circle $ x^2 + y^2 = 64 $. | 3 |
| 1239 | Find the center and radius of the circle $ \left( x + 7 \right)^2 + \left( y - 4 \right)^2 = 169 $. | 3 |
| 1240 | Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y + 4 \right)^2 = 1 $. | 3 |
| 1241 | Find the center and radius of the circle $ \left( x + 5 \right)^2 + \left( y + 15 \right)^2 = 4 $. | 3 |
| 1242 | Find the center and radius of the circle $ x^2 + y^2 -4 x -18 y + 36 = 0 $. | 3 |
| 1243 | Find general equation of a circle with a center at $ \color{blue}{C = \left( 100 , 2 \right)} $ and radius $ \color{blue}{ 60 }$ | 3 |
| 1244 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , 2 \right)} $ and radius $ \color{blue}{ 7 }$ | 3 |
| 1245 | Find the center and radius of the circle $ \left( x + 6 \right)^2 + y^2 = 25 $. | 3 |
| 1246 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( 4 , 2 \right)} $ and radius $ \color{blue}{ 6 }$ | 3 |
| 1247 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -4 , 1 \right)} $ passing throught the point $ \color{blue}{ P = \left( 17 , 10 \right) } $. | 3 |
| 1248 | Find the center and radius of the circle $ x^2 + y^2 + 16 x + 8 y -32 = 0 $. | 3 |
| 1249 | Find standard equation of a circle with a center at $ \color{blue}{C = \left( -8 , 6 \right)} $ passing throught the point $ \color{blue}{ P = \left( -4 , -3 \right) } $. | 3 |
| 1250 | Find the center and radius of the circle $ \left(x - 9 \right)^2 + \left( y - 4 \right)^2 = 1 $. | 3 |
