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1 Circles : Equation
Contributed by: Childress
(h,k) = (        ,         )
The center of the circle is at the origin.
A point on the circle is at (3,4).
The radius = 
(x     -               )2  +  (y    -          )2  =  
(h,k) = (        ,         )
The radius = 
The center of the circle is at the origin.A point on the circle is at (-6,8).
The equation of the circle is:
(x-       )+  (y-       )2 =
The radius = 
The center of the circle is at the (4,5)A point on the circle is at (-2,-3).
(h,k) = (          ,        )
The radius = 
The equation of the circle is:
(x         )+  (y         )2 =
The center of the circle is at the (-7, 4)A point on the circle is at (-2,16).
MUST type in       +  or   -   
Diameter = 
The radius = 
The equation of the circle is:
(x         )+  (y         )2 =
The center of the circle is at the (4,1)A point on the circle is at (1,5).
MUST type in       +  or   -   
Diameter = 
The equation of the circle is:
(x         )+  (y         )2 =
The center of the circle is at the (6,-4)A point on the circle is at (2,3).
The radius = 
MUST type in       +  or   -   
The endpoints of the diameter of a circle are at
(-6,0)  and  (6,0).
center point (h,k)  "midpoint"  = (            ,              )
The radius = 
Equation of Circle
(x -              )2 + (y-                 )2 =
The diameter = 
The endpoints of the diameter of a circle are at(-3,2)  and  (5,6).
The radius = 
The radius = 
center point (h,k)  "midpoint"  = (            ,              )
(x                   )2 + (y                   )2 =
Equation of Circle
tenths
exact
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