<PRE><B>Question 1040509</B>
 Points (–12, 1) and (2, 3) are endpoints of the diameter of a circle. 
(a) What is the length of the diameter? Give the exact answer, simplified as much as possible.
Show work. answer:: length = sqrt[(3-1)^2+(2+12)^2] = sqrt[4+14^2] = sqrt(200)
= 10*sqrt(2) = 14.14..
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(b) What is the center point C of the circle? 
answer:: x = (-12+2)/2 = -5 ; y = (1+3)/2 = 2
Ans::(-5,2)
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(c) Given the point C you found in part (b), 
state the point symmetric to C about the x-axis.:: (-5,-2)
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Cheers,
Stan H.
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