Geometric Series

Lesson 1.5 Geometric Series

Michelle P. Bales

Poll

How much did you get in Exercise 1?

• 19-23

• 14-18

• 0-13

Multiple Choice

EXERCISE 2:
Tell whether the sum of the following geometric series exist.  

 1)  $$\frac{1}{2}+\frac{1}{3}+\ \frac{2}{9}+\ \frac{4}{27}+...$$

• It Exists

• It Does Not Exists.

Multiple Choice

EXERCISE 2:
Tell whether the sum of the following geometric series exist.  

 2)  $$(-7)+7+(-7)+7+(-7)+…$$

• It Exists

• It Does Not Exists.

Multiple Choice

EXERCISE 2:
Tell whether the sum of the following geometric series exist.  

 3)  $$160+80+40+20+…$$

• It Exists

• It Does Not Exists.

Multiple Choice

EXERCISE 2:
Tell whether the sum of the following geometric series exist.  

 4)  $$-2+6+(-18)+54+…$$

• It Exists

• It Does Not Exists.

Multiple Choice

EXERCISE 2:
Tell whether the sum of the following geometric series exist.  

 5)  $$1+\frac{1}{2}+\frac{1}{4}+\ \frac{1}{8}+\ ...$$

• It Exists

• It Does Not Exists.

Poll

How much did you get in Exercise 2?

• 8-10

• 6-7

• 0-5

Poll

How much did you get in Exercise 3?

• 20-24

• 15-19

• 0-14

Poll

How much did you get in Exercise 4?

• 15-18

• 11-14

• 0-10

Poll

Which part of the lesson is the hardest?

• Determining if the sum of an infinite geometric series exists.

• Finding the sum of a finite geometric series

• Finding the sum of an infinite geometric series

• Summation Notation

• None

Open Ended

Do you have questions or clarifications regarding the lesson today?