kherrerathegoat kherrerathegoat

11-06-2020
Mathematics

contestada

Find the 9th term of the geometric sequence
9, -18, 36

Respuesta :

devishri1977 devishri1977

17-06-2020

Answer:

Step-by-step explanation:

Geometric sequence: 9, -18 , 36 .....

common ratio = 2nd term / 1st term

= -18 /9 = -2

[tex]a_{n}=ar^{n-1}\\\\a_{9}=9*(-2)^{8}\\\\=9*256\\\\= 2304[/tex]

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