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A circle has the equation x + y + 4x-6y - 23=0.(a) Find the center (h,k) and radius r of the circle.(b) Graph the circle.(c)

A circle has the equation x² + y² + 4x-6y - 23=0.(a) Find the center (h,k) and radius r of the circle.(b) Graph the circle.(c) Find the intercepts, if any, of the graph.

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