Geometric Series - Sum of A Geometric Sequence

Geometric Series - Sum of A Geometric Sequence

Watch the video then complete the practice questions!

Multiple Choice

You have $10 in you bank account. It doubles every month. How much money will you have after 5 months?

• $50

• $35

• $310

• $250

Multiple Choice

What is the sum of the first ten terms of the sequence 4, -12, 36, -144 . . . ?

• 59,050
• -59,048
• -78,732
• 118,096

Multiple Choice

Evaluate the series.

• 36
• 85
• 35
• 86

Multiple Choice

What is the SUM of the first 10 terms for the following geometric series:

2-6+18-54+...

• 59048

• -29524

• 524288

• 3069

Multiple Choice

Determine the sum of the series written in Sigma Notation. 

• 5400
• 2692
• 2700
• 2704

Multiple Choice

Evaluate the geometric series below:
a₁ = -2, a_n = -1458, r = 3

• -2186
• -2408
• 1
• -2703

Multiple Choice

Evaluate (that is, find the sum) the geometric series below:

4, - 8 , 16 - 32..., n = 7

• 195

• 518

• 516

• 145

Multiple Choice

Which of the following represents the SUM of a geometric series with 8 TOTAL terms and whose FIRST TERM is 3 and whose COMMON RATIO is 4?

• 32,756

• 42,560

• 28,765

• 65,535

Multiple Choice

• A.
• B.
• C.
• D.

Multiple Choice

Find the general rule for: 64, -32, 16, -8, …  

• 64(1/2)^n-1
• (-32)^n-1
• 64(-1/2)^n-1
• (32)^n-1