Find an equation of the line containing the centers of two circles x^2 + y^2 - 4x + 6y + 4 = 0 and x^2 + y^2 + 6x + 4y + 9 = 0
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Hello, Originally Posted by magentarita Find an equation of the line containing the centers of two circles x^2 + y^2 - 4x + 6y + 4 = 0 and x^2 + y^2 + 6x + 4y + 9 = 0 1/ find the coordinates of both centers 2/ solve for a and b in y=ax+b, by substituting the previous coordinates into x and y.
Originally Posted by Moo Hello, 1/ find the coordinates of both centers 2/ solve for a and b in y=ax+b, by substituting the previous coordinates into x and y. I'll try your tips and get back to you.
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