Exploring Geometric Sequences
Authored by yasin mahmud
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12th Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the common ratio of the sequence 2, 6, 18, 54?
6
4
2
3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the 5th term of the geometric sequence where the first term is 3 and the common ratio is 4.
256
1024
512
768
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculate the sum of the first 6 terms of the geometric sequence 5, 15, 45, ...
1500
1820
600
3000
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Convert the geometric sequence 1, 1/2, 1/4, ... into its general form.
a_n = 2^(n-1)
a_n = (1/2)^(n-1)
a_n = (1/3)^(n-1)
a_n = 1/(2n)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the first term of a geometric sequence is 7 and the common ratio is 3, what is the 10th term?
729
2187
2401
137781
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine the common ratio of the sequence 81, 27, 9, 3.
1/4
1/3
2/3
1/2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sum of the first 4 terms of the geometric sequence with first term 2 and common ratio 5?
100
50
312
200
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