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Mathematics 13 Online
OpenStudy (anonymous):

Write an equation for each circle given the endpoints of a diameter. (-1,-7) and (0,0)

OpenStudy (adamaero):

What's the equation for a circle?

OpenStudy (anonymous):

(x-h)^2 + (y-k)^2 = r^2

OpenStudy (adamaero):

(h, k) = (point, point)

OpenStudy (anonymous):

So i'm just plugging in and thats the answer?

OpenStudy (adamaero):

Why make it complicated? Yes. http://www.analyzemath.com/CircleEq/Tutorials.html

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