Arithmetic and Geometric Sequences

What is the common difference in this sequence?{48, 32, 16, 0, ... }
[What are we adding to get to the next term?]

• 1/2

• 2

• -8

• -16

• 1/2

• 2

• 12

• 24

The next term of the sequence 11,8,5,2 is...

• -1

• -2

• 1

• 2

Which sequence is an arithmetic sequence?

• 3, 6, 2, 7, ...

• 3, 6, 12, 24, ...

• 3, 6, 10, 15, ...

• 3, 7, 11, 15, ...

Which sequence is a geometric sequence with a common ratio of 2?

• 5, 3, 1, -1, ...

• 5, 7, 9, 11, ...

• 5, 10, 20, 40, ...

• 5, 15, 45, 135, ...

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

• 32

• 64

• 127

• 356

What is the 15th term of the sequence an = -3n+50

• 95

• -5

• 5

• -95

What is the 10th term of the sequence an = 20-2n

• 40

• -20

• 7

• 0

The explicit formula for a sequence is a_n = 5 − 3n. What is the value of a₂₂ ?

• a₂₂ = -61

• a₂₂ = 61

• a₂₂ = -1

• a₂₂ = -51

What function describes the sequence?

• f (x) = −0.7x + 8

• f (x) = −0.7x + 8.7

• f (x) = 0.7x + 8

• f (x) = 0.7x + 8.7