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-5, 20, -80, 320, ... is a geometric sequence. What is the explicit rule

-5, 20, -80, 320, ... is a geometric sequence. What is the explicit rule
asked 8.3k views
1 vote
-5, 20, -80, 320, ... is a geometric
sequence.
What is the explicit rule

asked
User Callyalater
by
7.3k points

1 Answer

4 votes

Answer:

Multiplied by -4

Explanation:

-5 (-4) = 20

20 (-4) = -80

-80 (-4) = 320

answered
User Andrey Lukyanenko
by
8.2k points
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