crazycute895
crazycute895 crazycute895
  • 01-05-2017
  • Mathematics
contestada

What is the common ratio in this geometric sequence 3,-6,12,-24,48

Respuesta :

Noah11012
Noah11012 Noah11012
  • 01-05-2017
The common ratio refers to the number that multiplies the previous term to get the next term.

For me, -2 pops out as the answer. Let's test it out.

First, multiply -2 by 3.

3 * -2 = -6

Now we have our second term and it matches up with -6 in 3,-6,12,-24,48.

Now multiply it again by -2.

-6 * -2 = 12

Yup, we can say -2 is the answer to this question.
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