Find the 8th term of the geometric sequence 5, -15, 45, ..

1.	Find the 8th term of the geometric sequence 5, -15, 45, ..
Answer» ANSWER: a=5 r=-15/5=-3 G8=ar^7=5-3^7 =-2187 Step-by-step explanation:* as ALWAYS the first term is considered as 'a' and the 'r' is COMMON ratio of SECOND term over first term the formula for finding the terms are generally is ar^n-1 where 'n' is simply the term which we have to find . hope this will HELP u obviously it will help u

Answer»

ANSWER:

a=5

r=-15/5=-3

G8=ar^7=5*-3^7 =-2187

Step-by-step explanation:

as ALWAYS the first term is considered as 'a'

and the 'r' is COMMON ratio of SECOND term over first term

the formula for finding the terms are generally is

ar^n-1 where 'n' is simply the term which we have to find .

hope this will HELP u

obviously it will help u

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Find the 8th term of the geometric sequence 5, -15, 45, ..

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