Verified answer

Problem:

1. The nonzero constant in a geometric sequence is called ______.

2. Find the 12th term of the geometric sequence 8,4,2,1?

Answer:

1. The nonzero constant in a geometric sequence is called common ratio.

Step-by-step explanation:

Find A12:

Formula:

where:

An = nth term

A1 = first term

r = common ratio

Given:

A1 = 8

r = 4/8 = 1/2

n = 12

A12 = ?

Solve A12:

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Answer:

the answer for the first question is common ratio.