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Free FE Other Disciplines Exam Practice Questions
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Question 1 of 10Mathematics
A circular ring seal on a site plan is described by x^2 + y^2 - 6x + 4y - 12 = 0, with coordinates in meters. A crew must lay a straight guide rail that just touches the ring at the point (6, 2) on its edge. The surveyor wants the equation of that tangent line. Which equation describes the rail?
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