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Unformatted text preview: Math 110 Exam IV Fall 2009 All Sections including Salt Lake Center 1. The equation 4 x 2 + y 2 8 x + 4 y + 4 = 0 is what type of conic section: (a) parabola (b) ellipse (c) hyperbola (d) circle (e) none of the above 2. What is the center of the ellipse given by the equation x 2 + 3 y 2 12 y + 9 = 0 (a) (0 , 0) (b) (3 , 0) (c) (0 , 2) (d) (4 , 5) (e) none of the above 3. What are the asymptotes of the hyperbola given by the equation x 2 9 y 2 16 = 1 (a) y = ± 16 9 x (b) y = 2 ± 9 x (c) y = ± 3 4 x (d) y = ± 4 3 x (e) none of the above 4. Find the equation of a parabola that opens up and goes through the points (3 , 1), (2 , 1), and (0 , 17) (a) y = 2 x 2 12 x + 17 (b) y = x 2 + 3 x 1 (c) y = 4 x 2 + 2 x + 1 (d) y = x 2 (e) none of the above 5. Solve the system of equations 2 x y = 1 x + 1 2 y = 3 2 . Find the product x · y . (a) 1 (b) 2 (c) 3 (d) 4 (e) No solution. The system is inconsistent....
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This note was uploaded on 10/24/2011 for the course MATH 110 taught by Professor Staff during the Fall '08 term at BYU.
 Fall '08
 Staff
 Math

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