Math125 Ch. 13 Homework Sec 13.1 Parabolas and Circles Find the vertex and graph. 1. ?? = (?? + 3)2 2. ?? = ?2(?? ? 1)2 ? 1 3. ?? = ?? 2 ? 4?? + 1 4. ?? = ??? 2 ? 2?? + 2 Graph. 5. (?? ? 3)2 + (?? + 1)2 = 9 6. ?? 2 + ?? 2 ? 2?? + 4?? ? 11 = 0 Sec 13.2 Ellipses Graph. 1. 3. ??2 9 + ??2 4 (???1)2 4 2. 4?? 2 + ?? 2 = 16 =1 + (??+3)2 25 =1 4. 9(?? + 2)2 + 4?? 2 = 36 Sec 13.3 Hyperbolas Graph. 1. ??2 9 ? ??2 4 =1 3. ?? 2 ? ?? 2 = 9 2. 4?? 2 ? 25?? 2 = 100 4. 4?? 2 ? ?? 2 = 4 Math 125 Homework Ch.13 Page 1 Answers Sec 13.1 1. 5. 2. 6. 3. 4. Math 125 Homework Ch.13 Page 2 Sec 13.2 1. D Sec 13.3 1. 2. 2. 3. 3. 4. 4. Math 125 Homework Ch.13 Page 3
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