Circle equation – Solved Problems Database

All the problems and solutions shown below were generated using the Circle equation Calculator.

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ID	Problem	Count
651	Find the center and radius of the circle $ x^2+y^2 -4 x + 2 y -4 = 0 $.	2
652	Find the center and radius of the circle $ x^2+y^2 + 14 x -10 y + 65 = 0 $.	2
653	Find the center and radius of the circle $ x^2 + y^2 + 20 x + 19 = 0 $.	2
654	Find the center and radius of the circle $ x^2 + y^2 + 4 x -6 y -12 = 0 $.	2
655	Find Standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -7 \right)} $ and radius $ \color{blue}{ 34 }$	2
656		2
657	Find standard equation of a circle with a center at $ \color{blue}{C = \left( \frac{ 18 }{ 5 } , \frac{ 39 }{ 5 } \right)} $ and radius $ \color{blue}{ \frac{ 5 }{ 6 } }$	2
658	Find Standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , -2 \right)} $ and radius $ \color{blue}{ \sqrt{ 73 } }$	2
659	Find the center and radius of the circle $ x^2+y^2 + 26 x + 28 y + 364 = 0 $.	2
660	Find the center and radius of the circle $ \left( x + 7 \right)^2 + \left( y + 4 \right)^2 = 81 $.	2
661	Find the center and radius of the circle $ x^2+y^2 -6 x + 8 y -24 = 0 $.	2
662	Find the center and radius of the circle $ x^2 + y^2 + 6 y -40 = 0 $.	2
663	Find the center and radius of the circle $ x^2 + y^2 + 12 y -20 = 0 $.	2
664	Find Standard equation of a circle with a center at $ \color{blue}{C = \left( 3 , -2 \right)} $ passing throught the point $ \color{blue}{ P = \left( 5 , 6 \right) } $.	2
665	Find the center and radius of the circle $ (x+7)^2+(y-3)^2=1 $.	2
666	Find the center and radius of the circle $ x^2+y^2 -100 x + 9 y + 0 = 0 $.	2
667	Find the center and radius of the circle $ \left(x - 4 \right)^2 + y^2 = 16 $.	2
668	Find the center and radius of the circle $ x^2 + y^2 + 4 x + 4 y + 25 = 0 $.	2
669	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( -10 , 0 \right) } $.	2
670	Find the center and radius of the circle $ x^2+y^2 -100 x + 9 y -1 = 0 $.	2
671	Find the center and radius of the circle $ (x+7)^2+(y-108)^2=0 $.	2
672	Find the center and radius of the circle $ x^2+y^2 + 24 x + 10 y + 160 = 0 $.	2
673	Find the center and radius of the circle $ x^2 + y^2 -8 x + 6 y + 10 = 0 $.	2
674	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 5 , -2 \right)} $ passing throught the point $ \color{blue}{ P = \left( 1 , -6 \right) } $.	2
675	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , -4 \right)} $ and radius $ \color{blue}{ 9 }$	2
676	Find the center and radius of the circle $ x^2 + y^2 + 4 x + 6 y + 12 = 0 $.	2
677	Find the center and radius of the circle $ (x+\frac{1}{2})^2+(y-\frac{3}{4})^2=64 $.	2
678	Find the center and radius of the circle $ (x+2)^2+(y-7)^2=1 $.	2
679	Find the center and radius of the circle $ x^2 + y^2 -8 x + 6 y + 100 = 0 $.	2
680	Find the center and radius of the circle $ \left(x - 5 \right)^2 + \left( y + 9 \right)^2 = 196 $.	2
681	Find the center and radius of the circle $ x^2 + y^2 + 8 x + 5 y -2 = 0 $.	2
682	Find the center and radius of the circle $ x^2 + y^2 -3 x + 10 y -34 = 0 $.	2
683	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -1 \right)} $ passing throught the point $ \color{blue}{ P = \left( \sqrt{ 11 } , 4 \right) } $.	2
684	Find the center and radius of the circle $ x^2 + y^2 = 0 $.	2
685	Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y - \frac{ 3 }{ 2 } \right)^2 = \frac{ 45 }{ 4 } $.	2
686	Find the center and radius of the circle $ \left( x + 3 \right)^2 + \left( y - 3 \right)^2 = 4 $.	2
687	Find the center and radius of the circle $ (x+1)^2+(y+1)^2=4 $.	2
688	Find the center and radius of the circle $ (x+15)^2+(y+12)^2=0 $.	2
689	Find the center and radius of the circle $ \left( x + 5 \right)^2 + \left( y - 1 \right)^2 = 9 $.	2
690	Find the center and radius of the circle $ \left(x - 3 \right)^2 + \left( y - 1 \right)^2 = 5 $.	2
691	Find the center and radius of the circle $ (x-\frac{1}{6})^2+(y+2)^2=121 $.	2
692	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -13 \right)} $ and radius $ \color{blue}{ 13 }$	2
693	Find the center and radius of the circle $ x^2 + y^2 -12 x -8 y -73 = 0 $.	2
694	Find the center and radius of the circle $ x^2+y^2 + 6 x + 32 y -264 = 0 $.	2
695	Find the center and radius of the circle $ x^2+y^2 -2 x -10 y + 17 = 0 $.	2
696	Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y - 3 \right)^2 = 25 $.	2
697	Find the center and radius of the circle $ x^2 + y^2 + 4 x -2 y +1 = 0 $.	2
698	Find the center and radius of the circle $ x^2+y^2 -6 x -4 y -12 = 0 $.	2
699	Find the center and radius of the circle $ x^2 + y^2 -12 y + 20 = 0 $.	2
700	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -3 , -6 \right)} $ passing throught the point $ \color{blue}{ P = \left( -4 , 8 \right) } $.	2