Name: ___________________________________
Period: ______
Arithmetic Sequences
1) For the arithmetic sequence -2, -8, -14, -20…
a. Find the 5 th, 6th, and 7th terms
b. Find the formula for the nth term.
c. Find the 12th term in the sequence.
2) Jill collects stamps. She is part of a stamp club that sends her new stamps every month.
This is her collection so far:
Months
Number of Stamps
1
132
2
144
3
156
a. Find how many stamps Jill will have in 4, 5, and 6 months.
b. Write an equation to represent the nth month.
c. How many stamps will she have in 11 months?
d. How many stamps will Jill have in 2 years?
3) An arithmetic sequence is as follows: 9, 19, 29…
a. Find the 4th, 5th, and 6th terms
b. Find the formula for the nth term.
c. Find the 23rd term in the sequence.
4) An object is dropped from an airplane. During the first second, the object falls 4.9 m.
During the 2nd second, it falls 14.7 m. During the third second, it falls 24.5 m. During the
fourth second, it falls 34.3 meters.
a. If this pattern continues, how far will the object fall during the 9th second?
b. If the plane is 2000 meters high, find the time (in seconds) when the object hits the ground.