Arithmetic Sequence: Its Definition and Finding the nth Term

What do you call the constant number being added in every term after the first term?

• Arithmetic Sequence

• Common Difference

• Difference

• Common Ratio

What do you call the sequence where consecutive terms are calculated by adding a constant value (positive or negative) to the previous term?

• Arithmetic Sequence

• Common Difference

• Difference

• Arithmetic Ratio

What is the 10th term of the Arithmetic Sequence: 0, 4, 8 ,12, 16, ..., ?

• 24

• 28

• 32

• 36

What is the common difference of the Arithmetic Sequence:

9, 4, -1, -6, -11, ..., ?

• 4

• -4

• -5

• 5

What is the 8th term of the Arithmetic Sequence;

9, 4, -1, -6, -11, ... , ?

• -26

• 26

• -31

• 31

A certain company have constructed an auditorium with a total of 15 rows of seats. If it has 18 seats on its first row, 22 seats on the second row, 26 seats on its third row, and 30 seats on the fourth row, how many seats are there on its fifteenth row?

• 72 seats

• 73 seats

• 74 seats

• 75 seats

Which of the following is NOT an Arithmetic Sequence?

• 0, 1, 2, 3, 4, 5, ...,

• 3, 9, 27, 81, ...,

• 2, 4, 6, 8, 10, ...,

• 11, 6, 1, -4, ... ,

What is the 8th term of the following arithmetic sequence:

-5, -1, 3, 7, 11, ..., ?

• 23

• 19

• 27

• 22

What is NOT true about the following arithmetic sequence:

25, 32, 39, 46, ...

• The common difference is 7

• The 7th term is 60

• The 6th term is 60

• The 1st term is 25

There are 125 passengers in the first carriage, 150 passengers in the second carriage and 175 passengers in the third carriage, and so on in an arithmetic sequence. How many passengers are there in the fifth carriage?

• 200 passengers

• 225 passengers

• 250 passengers

• 275 passengers