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
601	Find the center and radius of the circle $ x^2 + y^2 + 3 x + 2 = 0 $.	2
602	Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y - 7 \right)^2 = 36 $.	2
603	Find the center and radius of the circle $ x^2 + y^2 -8 x -20 = 0 $.	2
604	Find the center and radius of the circle $ x^2 + y^2 -13 x + 30 = 0 $.	2
605	Find the center and radius of the circle $ x^2+y^2 -12 x + 14 y + 4 = 0 $.	2
606	Find the center and radius of the circle $ (x+2)^2+(y+2)^2=64 $.	2
607	Find the center and radius of the circle $ x^2 + y^2 -2 x -6 y -15 = 0 $.	2
608	Find the center and radius of the circle $ x^2 + y^2 -12 x -12 y -28 = 0 $.	2
609	Find the center and radius of the circle $ (x-2)^2+(y+1)^2=25 $.	2
610	Find the center and radius of the circle $ x^2 + y^2 + 7 y + 12 = 0 $.	2
611	Find the center and radius of the circle $ (x-\frac{5}{2})^2+(y-4)^2=0 $.	2
612	Find Standard equation of a circle with a center at $ \color{blue}{C = \left( -4 , 7 \right)} $ and radius $ \color{blue}{ 4 }$	2
613	Find the center and radius of the circle $ \left(x - 4 \right)^2 + \left( y + 5 \right)^2 = 100 $.	2
614	Find the center and radius of the circle $ \left( x + 4 \right)^2 + \left( y - 6 \right)^2 = 256 $.	2
615	Find the center and radius of the circle $ x^2 + y^2 -12 x -16 y + 51 = 0 $.	2
616	Find the center and radius of the circle $ \left( x + 1 \right)^2 + \left( y + 1 \right)^2 = 1 $.	2
617	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -1 \right)} $ and radius $ \color{blue}{ \sqrt{ 622 } }$	2
618	Find the center and radius of the circle $ x^2 + y^2 -2 x + 2 y -23 = 0 $.	2
619	Find the center and radius of the circle $ x^2 + y^2 -4 x + 16 y + 19 = 0 $.	2
620	Find the center and radius of the circle $ x^2+y^2 -12 x + 14 y + 4 = 0 $.	2
621	Find the center and radius of the circle $ x^2 + y^2 -10 x -2 y +1 = 0 $.	2
622	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -\frac{ 23 }{ 10 } , 0 \right)} $ and radius $ \color{blue}{ \frac{ 6 }{ 7 } }$	2
623	Find the center and radius of the circle $ x^2 + y^2 + 2 x -10 y + 10 = 0 $.	2
624	Find the center and radius of the circle $ \left(x - 1 \right)^2 + \left( y + 5 \right)^2 = 16 $.	2
625	Find the center and radius of the circle $ x^2+y^2 -8 x + 10 y -32 = 0 $.	2
626	Find the center and radius of the circle $ x^2 + y^2 -16 x + 6 y + 53 = 0 $.	2
627	Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y - 1 \right)^2 = 25 $.	2
628	Find the center and radius of the circle $ \left( x + 6 \right)^2 + \left( y - 2 \right)^2 = 4 $.	2
629	Find the center and radius of the circle $ \left(x - 4 \right)^2 + \left( y - 1 \right)^2 = 9 $.	2
630	Find the center and radius of the circle $ \left(x - 14 \right)^2 + y^2 = \frac{ 589 }{ 3 } $.	2
631	Find the center and radius of the circle $ x^2 + y^2 -4 x + 10 y -7 = 0 $.	2
632	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{ 40 } , -9 \right) } $.	2
633	Find the center and radius of the circle $ x^2 + y^2 + 12 x -2 y -9 = 0 $.	2
634	Find the center and radius of the circle $ x^2 + y^2 -10 x + 10 y + 34 = 0 $.	2
635	Find Standard equation of a circle with a center at $ \color{blue}{C = \left( 0 , -6 \right)} $ and radius $ \color{blue}{ 97 }$	2
636	Find the center and radius of the circle $ (x+6)^2+(y+8)^2=36 $.	2
637	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -2 , 5 \right)} $ and radius $ \color{blue}{ 3 }$	2
638	Find the center and radius of the circle $ (x-2)^2+(y+8)^2=36 $.	2
639	Find the center and radius of the circle $ x^2 + y^2 + 8 x + 22 y + 37 = 0 $.	2
640	Find the center and radius of the circle $ x^2 + y^2 + 18 y + 21 = 0 $.	2
641	Find standard equation of a circle with a center at $ \color{blue}{C = \left( 5 , -2 \right)} $ and radius $ \color{blue}{ 4 \sqrt{ 3 } }$	2
642	Find standard equation of a circle with a center at $ \color{blue}{C = \left( -1 , 3 \right)} $ passing throught the point $ \color{blue}{ P = \left( 2 , 1 \right) } $.	2
643	Find the center and radius of the circle $ \left( x + 2 \right)^2 + \left( y + 1 \right)^2 = 9 $.	2
644	Find the center and radius of the circle $ x^2 + y^2 -9 y + 4 = 0 $.	2
645	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( -5 , -4 \right) } $.	2
646	Find the center and radius of the circle $ x^2 + y^2 + 6 x -7 y = 0 $.	2
647	Find the center and radius of the circle $ (x+11)^2+(y+4)^2=289 $.	2
648	Find the center and radius of the circle $ x^2+y^2 + 2 x -6 y + 6 = 0 $.	2
649	Find the center and radius of the circle $ x^2 + y^2 -10 x + 6 y -47 = 0 $.	2
650	Find the center and radius of the circle $ \left(x - 2 \right)^2 + \left( y + 5 \right)^2 = 16 $.	2