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The equation of the circle shown in the following diagram can be written as x^2 + Ay^2 + Bx + Cy + D = 0.  Find A + B + C + D.

 

 Oct 28, 2020
 #1
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Find radius using distance formula for the two given points

r = sqrt (61)

center (h,k) =   -1, 1

 

(x+1)2 + (y-1)2 = 61  this is the equation of the circle

       expand and arrange in the form requested in the Q to find ABCD to finish...........

 Oct 28, 2020

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