9.what is the common ratio of the geometric sequence negative
-20,10,-5 ,5/2
A.2
B.-2
C.1/2
D.-1/2
11.Calculate the sum of the first 8th terms of the following sequence 4,9,14...
A.172
B.162
C.152
D.142
14.which is the next term in the geometric sequence 324 ,-108 ,36 ?
A.4
B.-4
C.-12
D.12
15.what is the 6th term of the geometric sequence 2/25 ,2/5 ,2 ,10 ?
A.25
B.250
C.1250
D.2500
16.if three geometric means are inserted between 5 and 3125, find the first of these geometric means ?
A.25
B.15
C.-15
D.-25
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Answer:
d.
b.
a.
Step-by-step explanation:
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