4.7

Red = Sequence Blue = Adding a sequence
 * 10/31/11**
 * Goal:** - Recognize and extend arithmetic sequences - Create formulas for srithemtic sequences.
 * Notes:** Arthmetic sequence is where you add in a pattern. What is Common Differnece
 * Ex.** 1, 3, 5, 7, 9 ...... Next three terms are 11, 13, 15 CD = 2