h=? k=? r=? 9/13/2013 | Jamey from Rock Hill, SC | 1 Answer | 0 Votes Mark favorite Subscribe Comment
Use midpoint theorem to find the center (h, k): h = (-5+8)/2 = 3/2, and k = (0-6)/2 = -3 Find the diameter, d = sqrt(13^2+6^2) = sqrt(205) So, r = d/2 = (1/2)sqrt(205) Answer: (x - 3/2)^2 + (y+3)^2 = 205/4 9/13/2013 | Robert J. Comment