Sequences Patterns

How many triangles are added each time?

• + 3
• x 3
• + 6
• + 2

What is the simplified explicit formula for the pattern?

• a_n=3n - 3
• a_n= 3n + 4
• a_n = 3n +1

Tags

CCSS.HSF.BF.A.2

Does this pattern represent arithmetic or geometric?

• arithmetic
• geometric

Does this pattern represent an arithmetic or geometric sequence?

• arithmetic
• geometric

How many tiles are in the 3rd term?

• 18
• 19
• 25
• 12

How many tiles would be in the 12th term?

• 73
• 66
• 72
• 19

Which term would have 42 tiles?

• 4th
• 5th
• 6th
• 7th

Describe the relationship of the toothpicks in each term

• multiplying by 2
• adding by 4

How many toothpicks would be in the 12th term?

• 44
• 40
• 48
• 52

Which term would have 24 toothpicks?

• 4th
• 5th
• 6th
• 7th