96quiz8

96quiz8 - x y x y 2 2 2 6 6 + + ! ! " . Then...

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Due December 6, 2011 Math 96 - Quiz 8 Name__________________ Identify the type of curve corresponding to each equation. 1. example: 4 16 0 2 2 x y + ! " __ ellipse__ a. 4 3 8 16 0 2 2 x y x ! + + " __________ b. 9 4 36 24 36 0 2 2 x y x y + + ! + " __________ c. 4 4 16 0 2 2 x y + ! " __________ d. 4 4 16 0 2 x y + ! " __________ e. 36 24 36 0 x y ! + " __________ Solve the system of equations. Graphing may help. 2. x y x y 2 2 2 25 5 + " + " 3. Determine the center and radius of the circle whose equation is
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Unformatted text preview: x y x y 2 2 2 6 6 + + ! ! " . Then graph the circle. 4. An ellipse has vertices at ( , ) # 6 0 , and y-intercepts ( , ) 2 # . Sketch its graph and find its equation....
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