Arithmetic and Geometric Sequences

Which kind of sequence has a common ratio?

• Arithmetic

• Geometric

Tags

CCSS.HSF.BF.A.2

Which kind of sequence has a common difference?

• Arithmetic

• Geometric

Tags

CCSS.HSF.BF.A.2

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

• Arithmetic

• Geometric

• Neither

Tags

CCSS.HSF.BF.A.2

What kind of sequence is illustrated below?
 400, 200, 100, 50, 25, ...

• Arithmetic

• Geometric

• Neither

Tags

CCSS.HSF.BF.A.2

• Arithmetic

• Geometric

Answer explanation

Percentages are almost always Geometric.

Tags

CCSS.HSF.BF.A.2

• 315

• 330

• 345

• 360

Create the explicit formula for the sequence:
2, 8, 14, ...
(Hint:  Write your formula and then simplify it.)

• a_n=2+6n

• a_n=-6+6n

• a_n=6n-4

• a_n=4-6n

Tags

CCSS.HSF.BF.A.2

Identify the common difference.
97, 86, 75, 64, ...

• 8

• 11

• -11

• -8

Tags

CCSS.HSF.BF.A.2

Find the 32nd term of this sequence.
34, 37, 40, 43, ...

• 32

• 64

• 127

• 356

Tags

CCSS.HSF.BF.A.2

Find the 25th term of the sequence if a₁ = 5 and d = 0.5

• 18

• 17

• 15

• 14

Tags

CCSS.HSF.BF.A.2