A circle has an equation of the following form. It is a fact from geometry that given

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A circle has an equation of the following form.image


It is a fact from geometry that given three noncollinear points—that is, points that do not all lie on the same straight line—there will be a circle that contains them. For example, the points (4, 2), (-5, -2), and (0, 3) lie on the circle whose equation is shown in the figure. Work Exercises in order, to find an equation of the circle passing through the points


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Use the values of a, b, and c from Exercise 54 and the form of the equation of a circle given above to write an equation of the circle passing through the given points.



Data from in Exercise 54


Form a system of three equations using the answers from Exercises 51–53. Solve  the system to find the values of a, b, and c.

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Intermediate Algebra

ISBN: 9780134895987

13th Edition

Authors: Margaret Lial, John Hornsby, Terry McGinnis

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