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    Circles

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    (a) Consider the circle: (x+2)squared + (y-1)squared =9.
    Find the center and radius of the circle.

    (b) Consider the circles:
    x squared + y squared + 4x-4y-1=0
    x squared + y squared -2x+4y-4=0

    (i) Find the center of each circle.
    (ii) Find the distance between the centers if the circles are plotted on
    the same rectangular coordinate axes.

    © BrainMass Inc. brainmass.com April 3, 2020, 1:51 pm ad1c9bdddf
    https://brainmass.com/math/circles/find-center-radius-circles-13736

    Solution Summary

    This solution shows how to find center and radius of circles.

    $2.19

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