Arithmetic Sequences and Slope

Is this an Arithmetic sequence? 5, 4.25, 3.5, 2.75

• Yes

• No

The next two terms of the sequence 4,7,10,13 are

• 16 and 19

• 15 and 19

• 16 and 18

• 15 and 18

Identify the common difference. 
10, 20, 30, 40, ...

• 5

• 10

• 15

• 20

What are the first 4 terms of an arithmetic sequence with a common difference of (-6) if the first term is 76?

• 76, 70, 64, 58

• 76, 82, 88, 94

• 70, 64, 58, 52

• 82, 88, 94, 100

Find the formula for the sequence 2, 9, 16, 23, ...

• A(n) = 2 + (n-1)(7)

• A(n) = 7 + (n-1)(2)

• A(n) = (7)(2) + (n-1)

• A(n) = 7(n-1)(2)

Find the slope.

• -2

• 2

• ¹/₂

• -¹/₂

Find the slope of the line that passes through the points (2, 4) and (6, 12)

• 1/2

• -1/2

• 2

• -2

Find the values of a in the following arithmetic sequence

5, 9, a, 17, 21

Find the values of a in the following arithmetic sequence

1, 6, a, 16, 21

Find the nth term of the following sequence

7, 9, 11, 13, 15