Algebra Final Exam Review (Exponential Unit Only)
Authored by Cherie Hornfeck
Mathematics
8th Grade
CCSS covered
Used 1+ times
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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the next 3 terms in the following geometric sequence:
512, 256, 128, ____, _____, _____, ...
32, 8, 2
1024, 2048, 4096
92, 66, 38
64, 32, 16
Tags
CCSS.HSF.BF.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The rule for finding f(n) of a geometric sequence is
f(n) = 10(2)n-1.
What is the common ratio (r) of the sequence?
2
2n
10
20
Tags
CCSS.HSF.BF.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This image shows how a certain bacteria grows in a petri dish. What is the common ratio of this sequence?
6
3
2
4
Tags
CCSS.HSF.BF.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the first four terms of the sequence given by the rule:
f(n) = 4(5)n-1
4, 9, 14, 19
5, 20, 80, 320
20, 100, 500, 2500
4, 20, 100, 500
Tags
CCSS.HSF.BF.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A geometric sequence has a common ratio (r) of 3 and the 8th term , f(8), is 13122.
What is the first term of the sequence f(1) ?
18
6
2
3
Tags
CCSS.HSF.BF.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the 9th term in a geometric sequence with a common ratio of 2 and a first term of 3?
27
768
1,536
384
Tags
CCSS.HSF.BF.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the sequence: 125, 25, 5, ...
Write the rule f(n) using the geometric sequence formula:
f(n) = 125(1/5)n-1
f(n) = 625(1/5)n-1
f(n) = 125 + 5n
f(n) = 625(5)n-1
Tags
CCSS.HSF.BF.A.2
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