HA2 - Sequences Recap So Far

Given the sequence 2, 8, 14, 20, 26, ... What is the common difference?

• 2

• 4

• 6

• 8

How many of these sequences have a common difference of -4?

-19, -15, -11, -7, -3,...

19, 15, 11, 7, 3...

3, 7, 11, 15, 19...

-3, 7, -11, 15, -19,...

• 0

• 1

• 2

• 3

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

• 63

• 39

• 69

• 36

Find the nth term of...
3,5,7,9...

• 2n+1
• 2n-1
• 2n+2
• 2n-2

Find the nth term of...
8,13,18,23...

• 5n+3
• 5n-2
• 3n+5
• -2n+5

Write an nth term rule for the following sequence:  6, 14, 24, 36, 50 

• n(n+5) or n²+5n
• 2n
• 2n+6
• 2n²

Which of the following is not an arithmetic sequence?

• 1/2, 1, 3/2, 2

• 11, 14, 17, 20

• 2, 4, 8, 16

• 5, 2, -1, -4

For the sequence shown below, write the explicit formula then find the 57^th term. What is the 57^th term?

• -266

• -265

• -267

• -260

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

• Yes
• No

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

• Yes
• No