Sequences Intro

Identify the rule as recursive or explicit, then find the first 4 terms of the sequence.
a₁ = 100; a_n = a_n-1 - 8

• Explicit; 100, 92, 84, 76
• Recursive; 100, 92, 84, 76
• Explicit; 100, 108, 116, 124
• Recursive; 100, 108, 116, 124

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

Find the given term for the sequence. 
Find a₆₄  for a_n = 5n + 4

• 9
• 324
• 320
• cannot be determined

Find the given term for the sequence.
Find the 30th term of 20, 11, 2, -7, -16, ...

• 29
• -261
• -241
• cannot be determined

Identify the common difference.

-6, -3, 0, 3, 6....

• d=4

• d=3

• d=-4

• d=-3

Given the sequence 4, 11, 18, 25...... what is a₃ ?

• 4

• 11

• 18

• 25

The recursive formula can only be used if you know the previuos term

• True
• False

What are the next 3 terms in this sequence of terms?     3, 7, 11, 15

• 18, 22, 26
• 19, 21, 23
• 19, 23, 27
• 18, 21, 24

• 665,280

• 40,320

• 720

• 5,280

Simplify this

• 6

• 30

• 1/5

• 1/6