Geometric Sequences & Series Quiz Review

Find the Sum 

Tags

CCSS.HSA.SSE.B.4

Find the sum

Tags

CCSS.HSA.SSE.B.4

 $Evaluate\ \ \ \ \ \sum_{i\ =1}^9-3\cdot3^{\ \left(i-1\right)}$  

• -28,056

• -29,523

• -31,724

• -30,628

Tags

CCSS.HSA.SSE.B.4

Am I a geometric sequence? -2, -4, -6, -8, ...

• YES

• NO

Tags

CCSS.HSF.BF.A.2

What are the next 3 terms in the following geometric sequence:

512, 256, 128, ___, ___, ___, ...

• 1024, 2048, 4096

• 32, 8, 2

• 64, 32, 16

• 92, 66, 38

Tags

CCSS.HSF.BF.A.2

 $4,\ 24,\ 144,\ 864,\ ...$  Find the next 3 terms

•  $1024,\ \ 4096,\ \ 16384$  

•  $256,\ 1024,\ 4096$  

•  $256,\ -1024,\ 4096$  

•  $5184,\ 31104,\ 196624$  

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Find the common ratio: 4, -16, 64, -256, ...

• r = -4
• r = 2
• r = -2
• r = 4

Tags

CCSS.HSF.BF.A.2

What is the common ratio for the following sequence:

-3, 15, -75, 375, ...

• 12

• -1/5

• -5

• 3

Tags

CCSS.HSF.BF.A.2

If the rule for finding a_n of a geometric sequence is

a_n = 10(2)^n-1 _{. Then what is the common ratio(r) of the sequence?}

• ²

• ¹⁰

• ²⁰

• 2ⁿ

Tags

CCSS.HSF.BF.A.2

What is the 9^th term in a geometric sequence with a common ratio of 2 and a first term of 3?

• 384

• 768

• 1,536

• 27

Tags

CCSS.HSF.BF.A.2