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Mathematics, 11.10.2019 08:31 zelles9300

Write an equation to describe the sequence below. use n to represent the position of a term in the sequence, where n = 1 for the first term.

5, -3 , 9/5 ,

write your answer using proper fractions, improper fractions, and integers.

an = n - 1

Answers

ansver
Answer from: nathand200127

ANSWER

The required equation is:

a_n=5(  - \frac{3}{5} )^{n-1}

EXPLANATION

The given sequence is

5, -3 ,  \frac{9}{5}

The first term of the sequence is ;

a_1=5

The common ratio is the subsequent term previous term of any two consecutive terms. This implies that;

r =  \frac{ - 3}{5}

The nth term of the sequence is

a_n=a_1(r)^{n-1}

We substitute the terms to obtain;

a_n=5(  - \frac{3}{5} )^{n-1}

ansver
Answer from: Quest

d. all of the above

step-by-step explanation:

ansver
Answer from: Quest

the answer to your question is b.

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