Question
The diameter of a circle has endpoints P(- 10, - 8) ) and Q(4, 4) . a. Find the center of the circle. bFind the radius. If your answer is not an integer, express it in radical form. . Write an equation for the circle.
Answers
If you are given two points (a,b) and (c,d)
the midpoint is ( (a+c)/2 , (b+d)/2 )
and the distance between them is √( (a-c)^2 + (b-d)^2 )
apply this to your data,
then let me know what you got for the equation of the circle.
the midpoint is ( (a+c)/2 , (b+d)/2 )
and the distance between them is √( (a-c)^2 + (b-d)^2 )
apply this to your data,
then let me know what you got for the equation of the circle.
the center is the midpoint of PQ
the radius is half the length of PQ
with (h,k) as the center, and r as the radius
... the circle equation is ... (x - h)^2 + (y - k)^2 = r^2
the radius is half the length of PQ
with (h,k) as the center, and r as the radius
... the circle equation is ... (x - h)^2 + (y - k)^2 = r^2
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