1. F—06/11/10—HW #79: Pg 663: 36-38; Pg 693: 25-29 odd; Pg 671: 60-63(a only) 36) a(n) = (-107\48) + (11\48)n38) a(n) = 113.8 – 4.1n 60) 89,478,48562) -677,985,854

2. Chapter 11 – Review

3. Remember, if you forget how to do stuff and have to guess, then plug in the term number and see which rule matches up. a 2 = 50, a 4 = 80 A) a n = 80 – 15n B) a n = 65 – 15n C) a n = 50 + 15n D) a n = 35 + 15n

4. Formula for finding a n is: a n = a 1 + (n-1)d nth term First term Term you want Common Difference Write the rule for the nth term of this sequence. 5, 8, 11, 14, … 1)Find a 1 2) Find d 3) Write Formula 5 3 a n = 5 + (n-1)3 1)Find a 1 2) Find d 3) Write Formula

5. Write the rule for the nth term of this sequence, then find a 10. 1)Find a 1 2) Find d 3) Write Formula 4) a 10 1)Find a 1 2) Find d 3) Write Formula 4) a 10

6. Find the sum of these series. 1)Write formula 2)Find a 1 3)Find a n 4)Find n 5) Solve

11. Instructions, find the term, fill in that many squares, find the next term, fill in squares, repeat. What do you think S is in the end?!?!

14. All the rules we’ve used so far have been explicit rules. Now we will use and make recursive rules. Recursive rules give the beginning term or terms and give a recursive equation to show how they relate. a 1 = a 2 = a 3 = a 4 =

15. Write the explicit and recursive rule for the sequence

16. Write a rule for the nth term of the arithmetic sequence. a 7 = 34, a 18 = 122 Write a rule for the nth term of the geometric sequence. 64, 32, 16, 8, 4, … Write a rule for the nth term of the geometric sequence. 200, 20, 2,.2,.02 … Set up, but do not solve, find the sum of the first n terms of the geometric series 1 + 4 + 16 + 64 + … n = 14 Name_____________________________

17. F—06/11/10—HW #79: Pg 663: 36-38; Pg 664: 45 – 48a. Pg 693: 25-29 odd; Pg 671: 60-63(a only); Pg 694: 35—37, 51—57 odd M—06/14/10—HW #80: Pg 693: 18-20, 26-30 even; Pg 696: 7-9