1
Math 1521 AS ( College Algebra ),WEB
Some Review Problems Sheet #4
Topics: 17.1,17.2
1.a.Find the 13th term of the Arithmetic sequence :
2,6,10,14,18………………
b. Find the 9th term of the Geometric sequence:
2, ..........,.........
27
2
,
9
2
,
3
2
2. For the Arithmetic sequence
.............,.........3,8,13,18
a. Find the common Difference d.
b. Find the twenty-fourth term,
24
a
c. Find the sum, of the first 36 terms. ,
36
S
3. Find the first term, and the common difference, d, of the Arithmetic sequence
whose sum of the first 12 terms, is 246 and whose twelfth term , is 37.
,
1
a
,12
S12
a
4. For the Geometric sequence 49,7,1,……………………………….
i. Find the common ratio, r.
ii. Find the sixth term,
6
a
iii. Find the sum, of the first eight terms
8
S
iv. Find the infinite sum, if it exists.
∞
S
