Sequences Arithmetic and Geometric Application

What is the common ratio: 5, 25, 125, 625...

• 25

• 20

• 5

• 4

Tags

CCSS.HSF.BF.A.2

This is an arithmetic sequence. 5, 2, –1, –4, . . .

What is a_{7 (7th term)} ?

• -13

• -11

• -18

• -22

Tags

CCSS.HSF.BF.A.2

Create the explicit formula for the arithmetic 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

What is a_{5 (5th term)} in the sequence defined as follows? a_n = 5 ⋅ 2^(n-1) 

• a₅ = 160

• a₅ = 40

• a₅ = 10

• a₅ = 80

Tags

CCSS.HSF.BF.A.2

What is the explicit rule for the geometric sequence: 11, 22, 44, 88...

• u_n = 2(11)^n-1

• u_n = 11(2)

• u_n = 11(2)^n-1

Tags

CCSS.HSF.BF.A.2

What is the 38th term of this arithmetic sequence? {26, 22, 18, 14, ... }

• -4

• 10

• -122

• 174

Tags

CCSS.HSF.BF.A.2

Write the explicit formula for the sequence.

Tags

CCSS.HSF.BF.A.2

What is the eleventh term of an arithmetic sequence in which a1 = 3 and d = 6?

• 63

• 39

• 69

• 36

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

Write the explicit formula for the sequence.

Tags

CCSS.HSF.BF.A.2