1. Objective: Students can Determine if a Geometric Sequence
Agenda: -POD Functions -Arithmetic Seq -Geometric Seq -Sprint -Geo Formula -Exit Ticket
How Assessed:
Sprint
Job 21
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Stay After this Tues - Thurs !
SORRY NO AFTER SCHOOL TODAY

2. State if Geometric Sequence Or Not?
-2,-4, -6,…
2, 8, 32,…
-27, -9, -3,…

4. VOCABULARY

5. SPRINT ACTIVITY! Instructions:
Leave paper upside down until you are told to “GO”
You will have 1 Minute to figure out what to do and do as many as you can
When you hear stop writing

6. Check for Understanding
State on a Learning Scale of 1 – 4 what level of understanding you are at on Whether A Function! 4 – Great & I can Teach 3 - Good & Understand it 2 – Can do must but need help on harder parts 1 – Can do only with help 0 – I Need Help

8. Practice Problems
Write a recursive formula for the nth term of the sequence ? 4, 12, 36, …

9. EXAMPLES

10. Practice Problems
Which of the following sequence is not a geometric sequence?
a) 3, 9, 27, 81,…
b) 200, 20, 2, , …
c) -10, 20, -40, 80…
d) 4, 6, 8, 10, …

11. Practice Problems
What is the common ratio of the geometric sequence shown
-4, 8, -16, 32,…

12. Job 21: Q16!
16. A pendulum swings 80 cm on its first swing. 76 cm on its second swing, 72.2 cm on its third swing, and cm on its fourth swing. a. What explicit formula can be used to find the distance of the nth swing? b. Use your formula to find the distance of the 10th swing.

13. Most Missed Quiz Question!@
6. Bryce invested $600 in a savings account at a 3% annual interest rate. He made no deposits or withdrawals on the account for 2 years. Find, to the nearest cent, the balance in the account after 2 years.