What is the equation of the hyperbola with center at (2, -3), vertical transverse axis, vertices at (2, -1) and (2, -5), and foci at (2, 0) and (2, -6)?
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What is the radius of a circle if the equation of its function is given by x^2+y^2=r^2?
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Question: Simplify the expression 2xΒ² + 4xy - 6x + 12y using factoring and the distributive property.