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dedylja [7]
3 years ago
12

In this geometric sequence, what is the common ratio? 104, -52, 26, -13, ...

Mathematics
1 answer:
4vir4ik [10]3 years ago
3 0

Answer:

  -1/2

Step-by-step explanation:

The ratio is found by dividing the second number by the first:

  -52/104 = -1/2

You can verify that this is a "common" ratio by doing the same with successive pairs of numbers:

  26/-52 = -1/2

  -13/26 = -1/2

The common ratio is -1/2.

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