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What is the sum of the infinite geometric series: 9 + 4.5 + 2.25 + 1.125 + ...?
18
21
13
If the first term (a) of an infinite geometric series is 10, and the common ratio (r) is 0.5, what is the sum?
20
Find the sum of the infinite geometric series
72−74+78−716+....?\frac{7}{2}-\frac{7}{4}+\frac{7}{8}-\frac{7}{16}+....?27−47+87−167+....?
2/3
7/3
4/3
What is the sum of the infinite geometric series
2-1+1/2 -1/4+….?
3/4
What is the sum of an infinite geometric sequence with a first term (a) of 8 and a common ratio (r) of ¼ ?
32/3
35/3
7
In a geometric sequence, if the common ratio (r) is greater than 1, what can you say about the sum of the sequence?
It is always positive
It is always negative
It can be infinite
What is the sum of the infinite geometric series: 5-10+20-40+…..?
31
5
it diverges
In a geometric sequence, if the common ratio (r) is between -1 and 1, what can you say about the sum of the sequence?
It converges to a finite value.
¾ +3/16 +3/64+….?
1
2
3
In a geometric sequence, if the common ratio (r) is 0, what can you say about the sum of the sequence?
It is always zero
It converges to a finite value
It is done.