Geometric and Arithmetic Sequences

what would be the explicit formula for the following sequence: 4, 8, 12, 16,...

• 4+4(n-1)

• 4+n

Tags

CCSS.HSF.BF.A.2

the first term of the geometric sequence is 30 and the common ratio is 2. What is the 5th term of this sequence?

• 840

• 400

• 480

• 450

Tags

CCSS.HSF.BF.A.2

what is the 10th tem of the following sequence:

10, 13, 16, 19, ...

• 27

• 37

• 30

• 29

Tags

CCSS.HSF.BF.A.2

what would be the explicit formula for the following sequence:

• 3+5(n-1)

• 3+n

Tags

CCSS.HSF.BF.A.2

• Arithmetic

• Geometric

Answer explanation

Percentages are almost always Geometric.

Tags

CCSS.HSF.BF.A.2

Write the explicit formula for the geometric sequence.

• a_n = 4(3)^n-1

• a_n = 3(4)^n-1

• a_n = -4(3)^n-1

• a_n = 3(-4)^n-1

Tags

CCSS.HSF.BF.A.2

The graph of a geometric sequence is ​ (a)   .

• exponential

• Linear

• quadratic

Tags

CCSS.HSF-IF.C.7E

What is the common ratio of the sequence -4,12, -36, 108, ...?

• 2

• -2

• 3

• -3

Tags

CCSS.HSF.BF.A.2

Determine whether the sequence is arithmetic, geometric, or neither.

• arithmetic

• geometric

• neither

Tags

CCSS.HSF.BF.A.2

Find the 34th term of the sequence

Tags

CCSS.HSF.BF.A.2