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

A 2
B -2
C 1/2
D -1/2

Question

22-03-2018
Mathematics

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

A 2
B -2
C 1/2
D -1/2

Respuesta :

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MarkV MarkV · Answer 1 · 2018-03-22T19:49:22+01:00

MarkV MarkV

22-03-2018

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

Answer Link

In this geometric sequence, what is the common ratio? 104, -52, 26, -13, ... A 2 B -2 C 1/2 D -1/2

Respuesta :

Otras preguntas

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

A 2
B -2
C 1/2
D -1/2