PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

Mathematics

1 answer:

Artyom0805 [142]3 years ago

8 0

Answer: $\bold{a_1 = 6,\quad a_n=-3a_{n-1}}$

Step-by-step explanation:

$\text{When given the value of the previous term, we can use the recursive formula:}\\ a_n = ra_{n-1}\ \text{where r is the common ratio, n is the term, and}\ a_{n-1}\ \text{is the previous term.}$

$\text{In the given sequence, r} = \dfrac{-18}{6}=-3$

$\rightarrow \ a_n=-3a_{n-1}$

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