1. Warm – up #3 1. Test for Symmetry: xy = 4 y–axis(–x)(y) = 4 NO! x–axis(x)(–y) = 4 NO! Origin(–x)(–y) = 4 YES! So it’s symmetric about the origin  –xy = 4  xy = 4

2. Homework Log Fri 11/20 Lesson 4 – 3 Learning Objective: To find everything about ellipse Hw: #404 Pg. 234 1 – 25 odd (find foci on 1 – 11)

3. 11/3/15 Lesson 3 – 2 Difference Quotients & Function Graphs Day 2 Advanced Math/Trig

4. Learning Objective To graph ellipse To find vertices & co-vertices To find foci To write equation of ellipse

5. Standard Equation of Ellipse

6. Graph

7. Graph

8. Graph

9. Graph But original equation isn’t an ellipse

10. Graph

11. Write an Equation of the Ellipse Shown 6. (0, 6) (0, –6) (3, 0)(–3, 0)

12. Write an Equation of the Ellipse Shown 7. (–5, 0)(5, 0) (0, –1) (0, 1)

13. Ticket Out the Door

14. Homework #404 Pg. 234 1 – 25 odd (find foci on 1 – 11)