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Fantom [35]
3 years ago
5

Find an equation for the nth term of the sequence. -4, -16, -64, -256, ...

Mathematics
2 answers:
Hoochie [10]3 years ago
7 0
Common ratio = 4
Starts at -4

So the equation is n = -4 *4^(n-1)

Andrews [41]3 years ago
5 0
This is a geometric sequence  with first term a1 = -4 and common ratio r = 4

so nth term  = a1* r^(n-1)

                   = -4 *4^(n-1)
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