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Write the equation of the circle with center (0, 0) and (−4, 5) a point on the circle

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The equation of the circle with center is image

The center image is radius then,

The equation of the circle in standard form: image

The center image and the point on the circle image

Substitute image in the circle equation

image

Find r.

Substitute the point image

image

The equation of the circle is

image

answered Apr 14 by Anney Mentor

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