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OpenStudy (anonymous):
Identify the 16th term of a geometric sequence where a1 = 4 and a8 = -8,748.
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OpenStudy (anonymous):
given a1 = 4 so 8th term is a1*r^7 = -8.748 solve the equation to get the value of r
OpenStudy (anonymous):
I need help I don't know the formula
OpenStudy (anonymous):
@sourav_aich
OpenStudy (anonymous):
r is the common ratio so if a1 is the first term then a1*r is the second and a1*r^2 is the third ......so a1*r^7 is the 8th term which is provided
OpenStudy (cwrw238):
and the 16th term will be a1* r^15
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OpenStudy (cwrw238):
can you find r?
OpenStudy (cwrw238):
|dw:1431698050262:dw|
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