Finding the sum of a sequence

What is the 5th term in sequence of 21, 26, 31,...

• 36

• 41

• 28

• 44

In the sequence of 2, 4, 6, 8,,,,. What term is 98?

• 98

• 46

• 47

• 50

What is the 4th term if the explicit formula of a sequence is 4n-2?

• 18

• 2

• 16

• 8

What kind of sequence is 1, 4, 9, 16, 25,,,,

• arithmetic

• geometric

• pattern

• neither

In a sequence of 99, 33, 11, ...

• common difference is 1/3

• common ratio is 1/3

• common ratio is 3

• common difference is 66