03-04-2019
Mathematics

contestada

What is the common ratio for 400,-200,100,-50

Respuesta :

MrSmoot MrSmoot

03-04-2019

Answer:

r = -1/2

Step-by-step explanation:

To find r, divide any number in the set by the previous number in the set and reduce the fraction if possible. Check multiple numbers to make sure r is consistent between all entries...

-200/400 = -1/2

100/-200 = -1/2

-50/100 = -1/2

So r = -1/2

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