Geometric Series

Evaluate the geometric series $1-2+4-8,\ ...,\ \ \ \ \ \ \ n=8$  

•  $\frac{1}{3}$  

• -86

• -87

• -85

Tags

CCSS.HSA.SSE.B.4

 $-3,\ \ 6,\ -12,\ \ 24,\ ....$  Find the common ratio

• 3

• -2

• 2

•  $\frac{1}{2}$  

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

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

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

Tags

CCSS.HSA.SSE.B.4

What is the sum of the first three terms of the sequence 3, 15, 75,375...?

• 15

• 67

• 93

• 125

Tags

CCSS.HSA.SSE.B.4

What is the sum of the first seven terms of the sequence 3, 6, 12, 24, ...?

(a)  

Tags

CCSS.HSA.SSE.B.4

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

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

Tags

CCSS.HSA.SSE.B.4

Find the sum of the geometric series.

2 + 12 + 72 + 432

• 432

• 518

• 211

• 438

Tags

CCSS.HSA.SSE.B.4

Find the sum of geometric series.

−2 + 6 − 18 + 54 −162

• -118

• 5

• -122

• 201

Tags

CCSS.HSA.SSE.B.4

It is the sum of the terms of the geometric sequence.

• geometric series

• arithmetic series

• fibonacci series

• harmonic series

Tags

CCSS.HSA.SSE.B.4

Find the sum of the n terms when

a₁=4 , r = -5 and n = 4

• 416

• -416

• 775

• -775

Tags

CCSS.HSA.SSE.B.4