Arithmetic-Geometric series

The sum of the terms in a sequence is known as a Series

• True

• False

Tags

CCSS.HSA.SSE.B.4

What is the formula for the sum of the first n terms of a geometric sequence?

• $ar^n$
  

• $ar^{n-1}$
  

• $\frac{a\left(1-r^n\right)}{1-r}$

• None of these

Tags

CCSS.HSA.SSE.B.4

Which letter in the formula for the sum of the first n terms of a geometric series denotes the first term of the geometric series?

• a

• n

• r

• none of these

Tags

CCSS.HSA.SSE.B.4

What is the value of r the common ratio of this series 1+5+25+125,,?

• 1

• 4

• 5

• 156

Tags

CCSS.HSF.BF.A.2

Is the following a geometric series 1, 2, 4, 8,16,,,?

• Yes

• No

Tags

CCSS.HSF.BF.A.2

The sum of the terms in a sequence is known as a Series.

• True

• False

Find the sum of the first 4 terms of the geometric series 1 + 0.5 + 0.25 + ?

• 1.875

• 0.125

• 1.75

• None of these

Tags

CCSS.HSA.SSE.B.4

Is the sum of the first n terms of a geometric series always positive?

• Yes

• no

Tags

CCSS.HSA.SSE.B.4

Is the 1 + 2 + 4 + 7,, a geometric series?

• yes

• No

Tags

CCSS.HSF.BF.A.2

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Tags

CCSS.L.3.6

CCSS.L.1.6