1. + Section 4.6 Arithmetic Sequences

2. + Warm Up! (3 minutes on your warm up sheet) Compare the scatter plots below. Which line best represents the data? Support your answer with evidence from the graphs.

3. + Warm Up! (3 minutes on your warm up sheet)

4. + Exploration 1 (Pg. 121-122)(6 minutes) Use the figures to complete the table. Plot the points given by your completed table. Describe the pattern of the y-values.

5. + Exploration 1

6. + Definitions (Pg. 123)(3 minutes) Sequence: an ordered list of numbers. Term: each number in a sequence. Each term a n has a specific position n in the sequence.

7. + Pg. 123

8. + Example 1 (handout)(together) Write the next three terms of the arithmetic sequence. -7, -14, -21, -28

9. + Example 1 (handout)(together) Write the next three terms of the arithmetic sequence. -7, -14, -21, -28

10. + Example 2 (handout)(3 minutes) Graph the arithmetic sequence 4, 8, 12, 16... What do you notice?

11. + Example 2 (handout)(3 minutes) Graph the arithmetic sequence 4, 8, 12, 16... What do you notice?

12. + Example 3 (handout)(3 minutes) Does the graph represent an arithmetic sequence? Explain.

13. + Example 3 (handout)(3 minutes) Does the graph represent an arithmetic sequence? Explain.

14. + Pg. 123

15. +

16. + Example 4 (handout)( together) Write an equation for the nth term of the arithmetic sequence 14, 11, 8, 5, … Then find a 50.

17. + Example 4 (handout)( together) Write an equation for the nth term of the arithmetic sequence 14, 11, 8, 5, … Then find a 50.

18. + Example 5 (handout)( 3 minutes) Online bidding for a purse increases by $5 for each bid after the $60 initial bid. a) Write a function that represents the arithmetic sequence. b) Graph the function. c) The winning bid is $105. How many bids were there?

19. + Example 5 (handout)( 3 minutes) Online bidding for a purse increases by $5 for each bid after the $60 initial bid.

20. + Homework Pg. 124-125 #1-21 odd Extra Credit #22

21. + Closure (3 minutes) Determine whether the sequence is arithmetic. If so, find the common difference.

22. + Closure (3 minutes) Determine whether the sequence is arithmetic. If so, find the common difference. NO!!!