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Algebraic Geometry


Find equation for hyperbola with center at (4,9); a=5; c=13; traverse axis parallel to the x axis


Find equation for parabola: focus at (11,7) and vertex at (6,7)


Phil and Fran are photographers who develop their own pictures and also restore old photographs. They have an enlargement and reducing machine that can change the size of photographs. A customer asks Fran to enlarge a 3 inch by 5 inch photograph to 8 inch by 10 inch. Can this be done without cutting or distorting the picture?