Determine whether the sequence is arithmetic. Give reason for your judgment.
12, 10, 8, 6, 4, ...
Determine the next four terms in the arithmetic sequence 9 19, 29, 39, ....
Find the arithmetic mean of the given pair of numbers:
Calculate the missing terms in the arithmetic sequence, if a1 = 6, and a5 = 66.
If a1 = –5, d = –8, find a formula for the nth term of the sequence.
If a1 = 4, a3 = 13, find a formula for the nth term of the sequence.
Find a formula for the nth term of the arithmetic sequence: –2, –8, –14, –20, .....
If a1 = 3/2, d = –5/2, n = 9, find the nth term of the arithmetic sequence.
Determine the recursive and explicit formulas for the sequence –18, –8, 2, 12...
Calculate the 30th term of the sequence –4, –2.6, –1.2, 0.2, .....
Find a1 of the given arithmetic sequence:
a5 = 18, a9 = 30
Find a25 of the given arithmetic sequence:
a7 = –14, a10 = –20.
Find the number of terms in the arithmetic sequence:
8,12, 16, 20,..........,400
Complete the statement.
92 is the __th term of –4, 4, 12, ...
Draw the graph of the arithmetic sequence.
an = 5 – 2n
List all the terms in the given arithmetic series.
2 + 7 + 12 + ......+ 32
Find the 100th term of the given arithmetic series:
3 + 8 + 13 + 18 + .......
Find the sum of series if a1 = 2, an = –16, n = 6.
Find the sum of the given arithmetic series:
6 + 12 + 18 + 24 + ...72
Find the sum of the given series up to 100th terms:
Find the number of terms, the first term and the last term for
Find the sum.
a5= 18, a9 = 30
a7= –14, a10 = –20.
8,12, 16, 20, ..........,400
