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bazaltina [42]
4 years ago
8

Write the first three terms of the geometric sequence that has a1= 120 and whose common ratio is r = -1/2

Mathematics
1 answer:
Alona [7]4 years ago
8 0

For geometric sequence, you multiply the common ratio to the previous one.


120 × (-1/2) = -60

-60 × (-1/2) = 30

30 × (-1/2) = -15


So your first three terms is

-60 , 30 , -15


Hope this helped! Brainliest is always welcome :)

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