Ask your own question, for FREE!
Mathematics 22 Online
maddee:

what is the common ratio of the sequence? -2, 6, -18, 54,...

dude:

So it could either be an arithmetic of geometric sequence. At first glance, it can't be arithmetic because you are going from negative to positive, which is something you can't do with addition/subtraction consistently So, what do you multiply -2 to get to 6?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!