arithmetic sequence and series

Which of the following is an example of an arithmetic sequence?

• 22, 24, 27, 29...

• 15, 30, 45, 55...

• 12, 36, 60, 84...

• 1, 100, 200, 300

Tags

CCSS.HSF.BF.A.2

What is the common diference of the sequence 10, 16, 22, 28...?

• 6

• 10

• 4

• 8

Which of the following is not a concept supporting an arithmetic sequence?

• 4, 5, 6, 7...

• a_n = a₁ - (n-1)d

• common difference

• observable pattern and predictable terms

What is the 8^th term of the sequence 6, 11, 16, 21...

• 31

• 36

• 46

• 41

in the arithmetic sequence 6, 12, 18, 24..., which term is 120?

• 100

• 20

• 30

• 10

Tags

CCSS.HSF.BF.A.2

In the popular song "12 days of Christmas", how many gifts did the true lover gave?

• 12

• 16

• 72

• 78

Which of the following three numbers are arithmetic means of 14 and 50?

• 24, 34, 44

• 23, 32, 41

• 20, 31, 42

• 21, 32, 43

Which of the following figures is not a good representation of an arithmetic sequence?

• 
• 
• 
• 

What is the 12^th term of the sequence 9, 12, 15...?

• 45

• 41

• 40

• 42

Tags

CCSS.HSF.BF.A.2

The series of the first eight even numbers.

• 62

• 72

• 82

• 92