Write the explicit formula for the following geometric sequence: 100, 50, 25, 12.5, ...
Geometric Sequence and Means

Quiz
•
Mathematics
•
10th Grade
•
Hard
Anthony Clark
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
an = 2(100)n-1
an = 100(2)n-1
an = 100(1/2)n-1
an = (1/2)(100)n-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the 9th term in the following geometric sequence:
4, 8, 16, 32, ...
384
512
768
1,024
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find a12 in the following geometric sequence:
-1, -3, -9, -27, ...
-177,147
-19,683
-59,049
118,098
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find a11 in the following geometric sequence:
-4,096
-1/256
-3,072
-236,196
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the common ratio of the following geometric sequence:
2, -10, 50, -250, ...
r = -5
r = 3
r = 5
r = -3
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the 6th term of the following geometric sequence:
2, 8, 32, 128, ...
8192
2048
512
128
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Insert three geometric means between 3 and 243.
9,27,81
81,27,9
81,27,3
9,18,27
Create a free account and access millions of resources
Similar Resources on Wayground
10 questions
Geometric Sequence

Quiz
•
9th - 12th Grade
17 questions
Sequences

Quiz
•
7th - 12th Grade
15 questions
Arithmetic/Geometric Sequences

Quiz
•
9th - 12th Grade
10 questions
Infinite Geometric Series

Quiz
•
11th Grade
15 questions
Geometric Sequence and Series

Quiz
•
10th Grade
15 questions
Sequences and Series Review

Quiz
•
11th Grade
10 questions
Geometric Sequences

Quiz
•
10th Grade
16 questions
Geometric Series

Quiz
•
9th - 12th Grade
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade