What is the recursive rule for this geometric sequence?
−64,−16,−4,−1,...
Enter your answers in the boxes.
an=
⋅an−1
a1=
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This is an example of geometric progression, in which each term is obtained when multiplied with a fixed term.
Here the common ratio is 1/4 as this is the term by which a term is multiplied to get the next term.
In general, an=a(r^n-1)
So here,
an=-64[(1/4)^n-1]
an-1=-64[(1/4)^n-2]
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☢☢☢ BRAINLY ELITE TEAM ☢☢☢
This is an example of geometric progression, in which each term is obtained when multiplied with a fixed term.
Here the common ratio is 1/4 as this is the term by which a term is multiplied to get the next term.
In general, an=a(r^n-1)
So here,
an=-64[(1/4)^n-1]
an-1=-64[(1/4)^n-2]
☢☢☢ HOPE IT HELPS ☢☢☢
☢☢☢ BRAINLY ELITE TEAM ☢☢☢
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