SOLUTION: Points (1, 5) and (-7, 9) are endpoints of the diameter of a circle. What is the length of the diameter? What is the center ofthe circle? What is the equation of the circle?

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Question 666051: Points (1, 5) and (-7, 9) are endpoints of the diameter of a circle.
What is the length of the diameter?
What is the center ofthe circle?
What is the equation of the circle?

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
Points (1, 5) and (-7, 9) are endpoints of the diameter of a circle.
(1, 5) and
(-7, 9) d =
r = , r^2 = 20
Midpoint = (-3,7), center of the circle
equation of the circle:
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