Arithmetic and Geometric Sequences

Is this sequence arithmetic, geometric, or neither?
{26, 22, 18, 14, ...}

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

What is the common ratio of this sequence?
{2, 10, 50, 250, ... }

• 1,250
• 5
• 10
• 50

Tags

CCSS.HSF.BF.A.2

Dividing by 12 is the same as ...

• × 12
• ÷ 1/12
• × 1/12
• + 12

Tags

CCSS.HSA.REI.A.1

What is the common difference in this sequence?
{48, 32, 16, 0, ... }

• 1/2
• 2
• -8
• -16

Tags

CCSS.HSF.BF.A.2

Is this sequence Arithmetic, Geometric, or Neither?
{14, 22, 30, 38, .. }

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

Find the 10th term of this sequence:
{96, 48, 24, 12, ... }

• 3/16
• 1/2
• 6
• 3

Tags

CCSS.HSF.BF.A.2

Which lists four consecutive terms of an arithmetic sequence?

• 1, 4, 9, 16, ...
• 3, 10, 17, 24, ...
• 1, 2, 4, 8, ...
• -5, 6, 10, 13, ...

Tags

CCSS.HSF.BF.A.2

Which EXPLICIT function describes the sequence 3, 7, 11, 15, ...?

• f(1)=3; f(n)=f(n-1)+4

• f(1)=4; f(n)=f(n-1)+3

• f(x)=3x+4

• f(x)=4x-1

Tags

CCSS.HSF.BF.A.2

Which EXPLICIT function describes the sequence 500, 250, 125, ... ?

• f(1)= 500; f(n)=f(n-1)*1/2

• f(x)=1000(1/2)^x

• f(x)=1000(2)^x

• f(1)=500; f(n)=f(n-1)*2

Tags

CCSS.HSF.LE.A.2

If f(1)=100, f(x)=f(x-1)*(1/5), find the first 5 terms of this sequence.

• 100, 20, 4, 4/5, 4/25

• 100, 95, 90, 85, 80

• 100, 500, 2500, 12500, 62500

• 100, 105, 110, 115, 120

Tags

CCSS.HSF.IF.A.3