Question

Given the sequence: $$2,\,6,\,18,\,54,...$$, write a recursive formula for the 
sequence and use it to find the $$7$$th term.

Accepted Answer

$${a_n} = {a_{n - 1}} \cdot 3;\;{a_7} = 1,458$$

Answer

$${a_n} = {a_1} 	imes {3^{n - 1}};\;{a_7} = 486$$

Answer

$${a_n} = {a_{n - 1}} \cdot 3;\;{a_7} = 486$$

Answer

$${a_n} = {a_1} 	imes {3^{n - 1}};\;{a_7} = 1,458$$

Question 19 - Mathematics Practice Test for the HiSET Test