SOLUTION: TOPIC: CIRCLES DETERMINED BY THREE CONDITIONS Write the equation (standard and general form)of the circle 1. through (-1, 2), (1, 1), and (3, 2)

Algebra ->  Circles -> SOLUTION: TOPIC: CIRCLES DETERMINED BY THREE CONDITIONS Write the equation (standard and general form)of the circle 1. through (-1, 2), (1, 1), and (3, 2)      Log On


   

Question 843028: TOPIC: CIRCLES DETERMINED BY THREE CONDITIONS
Write the equation (standard and general form)of the circle
1. through (-1, 2), (1, 1), and (3, 2)
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
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1) (x-1)^2+(y-7/2)^2 = 25/4
(x-a)^2+(y-b)^2 = c
(-1, 2), (1, 1), and (3, 2)
(-1-a)^2+(2-b)^2 = c
(1-a)^2+(1-b)^2 = c
(3-a)^2+(2-b)^2 = c
solve for a,b and c
a = 1, b = 7/2, c = 25/4