Describe the sequence, find the 5th term, and write the rule.
Algebra 2 Sequences and Series

Quiz
•
Mathematics
•
11th Grade
•
Hard
Anthony Clark
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
geometric, a5 = 625, an = 5n-1
arithmetic, a5 = 3125, an = 5n-1
geometric, a5 = 3125, an = 5n
arithmetic, a5 = 625, an = 5n
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the sum of the first 6 terms of the sequence:
a = 100 (1/2)n-1
100000
1575/8
300
250
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Write the equation for the arithmetic sequence with the following terms:
a14 = -36, a22 = -52
a = -2n - 8
a = -8n - 2
a = -8n - 10
a = -2n - 10
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The number of seats in each row of a concert hall follows the sequence below:
an = 16 + 2n
How many seats are in the first 20 rows?
56
18
1480
740
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the equation for the geometric sequence with the following terms:
a2 = -12, a5 = -96
an = 2(-6)n
an = 2(-6)n-1
an = -6(2)n-1
an = -6(2)n
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the sum of the infinite geometric series, if it exists:
-3 + -3/2 + -3/4 + -3/8...
-6
-8
no sum
-4
7.
OPEN ENDED QUESTION
1 min • 1 pt
Suppose you are building 10 steps with 8 concrete blocks in the top step and 80 blocks in the last step. If the number of blocks in each step forms an arithmetic sequence, state the values of n, a1, and an. Determine the total number of blocks needed to build these steps using your series formula. Make sure you type out your work.
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