SOLUTION: Write the standard form of the equation and the general form of the equation of the circle with radius r and center​ (h,k). Then graph the circle. r= 3, (h,k)= (0,3)

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Question 1106895: Write the standard form of the equation and the general form of the equation of the circle with radius r and center​ (h,k). Then graph the circle.
r= 3, (h,k)= (0,3)
Answer by ikleyn(52787)   (Show Source): You can put this solution on YOUR website!
.
The standard form equation of the circle with radius r and center (h,k) is

 +  = .         (1)     ( MEMORIZE it ! )


    In your case it is 

     +  = ,     (2)    or

     +  = 9.


To get the general form equation, simply open the parentheses in equation (1).


    In your case it will give you

     = 9,     or, equivalently,

     = 0.


Answer.  Standard form equation is   +  = 9.


         General form equation is   = 0.


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