Algebra 2: Section 8.2

Is the sequence arithmetic: 17, 9, 1, -7, ...

• Yes
• No

Which of the following is NOT an arithmetic sequence?

• 48, 24, 12, 6, 3, ...

• 3, 7, 11, 15, 19, ...

• 1, 0, -1, -2, -3, ...

Is the sequence arithmetic: 78, 785, 7855, 78555, ...

• Yes
• No

Is the sequence arithmetic: -3, 3, -3, 3, ...

• Yes
• No

Find the 22nd term of the following sequence:
5, 8, 11, ...

• 14
• 68
• 63
• 71

Given the sequence:

25, 21, 17, 13,...

Write the explicit equation that models the sequence.

• a_n = 4n + 29

• a_n = - 4n + 25

• a_n = - 4n + 29

• a_n = 4n + 25

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

• -515
• -490
• -535
• 460

What is the common difference inthe sequence -7, -5, -3, -1, … ?

• 1/2

• -1/2

• 2

• -2

Find the 26th term in the arithmetic sequence: 20, 26, 32, 38, ...

• 182
• 176
• 170
• -118

What are the first 4 terms of an arithmetic sequence with a pattern of -6 if the first term is 76?

• 76, 70, 64, 58

• 76, 82, 88, 94

• 70, 64, 58, 52

• 82, 88, 94, 100