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Natasha_Volkova [10]
3 years ago
10

Given the sequence 128, −32, 8… , which of the following statements is TRUE? *

Mathematics
2 answers:
scoray [572]3 years ago
6 0

Answer:

C

Step-by-step explanation:

The sequence has a common ratio r between consecutive terms

r = \frac{a_{2} }{a_{1} } = \frac{-32}{128} = - \frac{1}{4}

r = \frac{a_{3} }{a_{2} } = \frac{8}{-32} = - \frac{1}{4}

Thus the sequence is geometric with common ratio r = - \frac{1}{4}

Hoochie [10]3 years ago
5 0

Answer:

C

Step-by-step explanation:

Because the ratio between 128 and -32 is the same as the ratio between -32 and 8

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