February 23, 2017

Homework Help: Math

Posted by Kate on Wednesday, June 24, 2009 at 1:52am.

The points (4, –5) and (– 4, 1) are endpoints of a diameter of a circle.

(a) Find the center of the circle.

(b) Find the length of the radius of the circle. (Note that this is a distance.) Give the exact answer. Show work.

(c) State the equation of the circle (in standard form). Note that you know the center and the radius from the previous parts.

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