9.2 & 9.4 Arithmetic Sequences & Series

Which phrase best describes the list of terms? 17, 9, 1, -7, ...

• Infinite Arithmetic Sequence

• Infinite Arithmetic Series

• Finite Arithmetic Sequence

• Finite Arithmetic Series

Identity the "d" : 1, 201, 401, 601, ...

• d = 100

• d = 101

• d = 200

• d = 201

Find the next three terms in the arithmetic sequence: -33, -24, -15, -6, ...

• -1, 7, 15
• -5, 2, 9
• 3, 12, 21
• -65, -73, -81

Write the recursive formula for 4, 8, 12...

• a_n=a_n-1-7 : a₁=4

• a_n=a_n-1-4

• a_n= 4n

• a_n=a_n-1+4 ; a₁=4

Given the sequence:

25, 21, 17, 13,...

Write the explicit equation that models the sequence. (Remember to simplify your equation.)

• a_n = 4n + 29

• a_n = -4n + 25

• a_n = -4n + 29

• a_n = 4n + 25

Create the explicit formula for the sequence:

2, 8, 14, ...

(Remember to simplify)

• a_n=2+6n

• a_n=-6+6n

• a_n=6n-4

• a_n=4-6n

Find the 10th term.

• 16

• 12

• 21

• 30

Find the 32nd term of this sequence.
9, 4, -1, -6, -11, ...

• 81
• -34
• -146
• -225

Tags

CCSS.HSF.BF.A.2

Find the rule in explicit form if a₄= -22 and a₃₅= -146

• a_n= 4n - 4

• a_n= a_n-1 - 4

• a_n= -4n - 6

• a_n= -6n - 4

Find a₂₆ in the arithmetic sequence: -15, -35, -55, -75, ...

• -515
• -490
• -535
• 460

Tags

CCSS.HSF.BF.A.2