Sequences Quiz 1

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

• Yes

• No

Find the common difference: -34, -29, -24, -19, ...

• d = -5

• d = 6

• d = -6

• d = 5

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

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

Given the sequence:

25, 21, 17, 13,...

Write the explicit equation that models the sequence.

• a_n = 4n + 29

• a_n = -4n + 29

• a_n = -4n + 25

• a_n = 4n + 25

What is the difference between an arithmetic sequence and a geometric sequence?

Identify the common difference.

97, 86, 75, 64, ...

Find the first term of the given sequence:

a₁₄=68

d=3

Select the explicit rule that represents the sequence.

• 6 + 5(n - 1)

• 6 - 4(n - 1)

• 4 + 6(n - 1)

What does  $r$  represent in geometric sequences?