Question

what s the 9th term of the geometric sequence where a1= -8 and a6=-8192

Answer 1

\[a _{n} = a _{1} . r ^{n-1}\]

\[a_{6}=a _{1}. r ^{n-1}\]
\[-8192= -8 . r ^5\]
solve for r and insert r in the formula