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.

Question

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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