1. Bell ringer
1. Explain how compound interest works. 2. What is “good” compound interest? 3. What is “bad” compound interest? 4. Why should you pay more than the minimum required on credit cards?

2. More on exponentials and compound interest
Friday, September 15, 2017

3. Cockroaches Mythbusters Cockroaches Outliving a Nuclear Explosion
Mythbusters Drowning Cockroaches
Will Cockroaches Inherit the Earth?

4. practice Classwork – Cockroach Invasion
Homework – Compound Interest WS

5. Exit Ticket
1. What does annually mean?, semiannually?, quarterly?, monthly?, daily?
2. What is e?
3. What formula uses e?