2 years ago

Determine if the sequence below is arithmetic or geometric and determine the common difference/ratio in simplest form.

Mathematics

1 answer:

Nana76 [90]2 years ago

6 0

Step-by-step explanation:

this is clearly not a linear sequence (the terms don't have the same difference).

so, it has to be a geometric sequence.

the common ratio is r.

s2 = s1 × r

16 = 64 × r

r = 16/64 = 1/4

control :

s3 = s2×r

4 = 16 × 1/4 = 4

correct.

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