3 years ago

Arithmetic or geometric

Mathematics

1 answer:

Annette [7]3 years ago

4 0

Step-by-step explanation:

the first one is Geometric:

r=9/-3=-27/9 =81/-27=-3

a(n)=-3*(-3)^(n-1)

the second one is Geometric:

r=4/1=16/4=64/16=4

a(n)=1*(4)^(n-1)

hope this helps

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