3 years ago

In this geometric sequence, what is the common ratio?

1 answer:

6 0

Hi there! The correct answer is D. -1/2

104 × -1/2 = -52
-52 × -1/2 = 26
26 × -1/2 = -13
...

Each time you multiply the preceding number by -1/2. Therefore the common ratio in this sequence is -1/2

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