Mathorio
Worksheet
Arithmetic Sequences
Name:
Class:
Date:
Show your work for each problem.
- 1.Which sequence is arithmetic?
- a)
- b)
- c)
- d)
- 2.Find the common difference of:
- 3.In the sequence , what is the common difference ?
- 4.What is in the sequence ?
- a)
- b)
- c)
- d)
- 5.Find the 10th term of the sequence:
- 6.Find for the sequence:
- 7.If and , what is ?
- a)
- b)
- c)
- d)
- 8.Find the 15th term of:
- 9.What is the 50th term if and ?
- 10.In the sequence , which term equals ?
- a)
- b)
- c)
- d)
- 11.If and , find and .
- 12.A theater has 15 seats in the first row and each row has 4 more seats than the previous. How many seats are in row 20?
- 13.You start saving 200 euros and add 75 euros each month. After how many months will you have 1250 euros?
- 14.If and , what is ?
- a)
- b)
- c)
- d)
- 15.Find the value of if form an arithmetic sequence.
- 16.What type of sequence is ?
- a)Arithmetic with
- b)Not arithmetic
- c)Arithmetic with
- d)Arithmetic with
- 17.Write the explicit formula for the sequence: