SOL 7.2

1) Samantha wrote the sequence shown.

5, 10, 15, 20, 25, ...

Which variable expression shows the relationship between consecutive numbers in the sequence?

• n - 5

• n + 5

• 5n

• n + 20

3) Which sequence has a common difference of -3 ?

• 14, 17, 20, 23, 26

• -3, 9, -27, 81, -243

• 2, -1, -4, -7, -10

• 2, 6, 18, 54, 162

5) Which variable expression shows the relationship between consecutive numbers in the sequence?

-25, 25, -25, 25, -25, ...

• n + 0

• -25n

• 25n

• -1 ^. n

6) Which sequence has a common difference of 4?

• -12, -8, -4, 0, 4

• 20, 16, 12, 8, 4

• 2, 8, 32, 128, 512

• 80, 20, 5, 1.25, 0.3125

7) What is the common difference for the following sequence?

6, 2, -2, -6

• -4

• -2

• 2

• 4

8) Identify each sequence that has a common difference of 3.

• 
• 
• 
• 
• 

9) According to the variable expression, x + 9, which arithmetic sequence matches the expression?

• 63, 54, 45, 36, 27, ...

• 9, 12, 15, 18, 21, ...

• 16, 25, 34, 43, 52, ...

• 9, 18, 36, 72, 144, ...

10) Look at the pattern below.

5, 8, 11, 14, 17, ...

What best describes the pattern shown?

• Arithmetic sequence

• Geometric sequence

• Exponential sequence

• No sequence at all

11) Look at the pattern shown.

6, 12, 24, 48, 96, ...

What is the common ratio for the sequence of numbers?

• ½

• 2

• 4

• 6

12) Look at the pattern shown.

96, 48, 24, 12, 6, ...

What is the common ratio for the sequence of numbers?

• ½

• 2

• 4

• 6