Period 5 Ch 4

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

• Yes
• No

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

• Yes
• No

Find the pattern: 29, 21, 13, 5, ...

• -10

• -9

• -8

• -7

Find the pattern: 1, 201, 401, 601, ...

• +100

• +101

• +200

• +201

Find the next three terms in the arithmetic sequence: -3, -8, -13, -18, ...

• -20, -24, -28
• -21, -25, -29
• -23, -28, -33
• -24, -29, -32

Write the EXPLICIT rule for the arithmetic sequence

-10, -3, 4, 11,...

• a_n = 10n + 17

• a_n = 7n - 17

• a_n = -7n + 17

• a_n = 7n + 3

Write the EXPLICIT rule for the arithmetic sequence

12, 10, 8, 6, ...

• a_n = 12n - 14

• a_n = 2n - 14

• a_n = -2n + 14

• a_n = -12n + 14

Write the EXPLICIT rule for the arithmetic sequence

9, 13, 17, 21, ...

• a_n = -4n + 5

• a_n = -9n + 14

• a_n = 9n - 5

• a_n = 4n + 5

Identify the rule as recursive or explicit, then find the first 4 terms of the sequence.
a_n = -4n - 1

• Explicit; -3, -7, -11, -15
• Recursive; -3, -7, -11, -15
• Explicit; -5, -9, -13, -17
• Recursive; -5, -9, -13, -17

What is the 67^th term of the following arithmetic sequence.

13, 22, 31, 40, ...

• -445

• 67

• 625

• 607