Ask your own question, for FREE!
Mathematics 14 Online
OpenStudy (anonymous):

Which of the following choices is the simple formula for the nth term of the following arithmetic sequence? 7, 3, -1, -5, -9, ... A.5n + 4 B.4n + 1 C.-4n + 11 D.4n + 11 E.-4n + 1

OpenStudy (anonymous):

@Robert136

OpenStudy (anonymous):

@Robert136

OpenStudy (anonymous):

help rob

OpenStudy (anonymous):

Notice that the intervals are all the same.

OpenStudy (anonymous):

As well as that the sequence leads to gradual decrease with an interval of 4.

OpenStudy (anonymous):

so its not a or b

OpenStudy (anonymous):

Therefore you can disregard ABD

OpenStudy (anonymous):

Therefore C or D

OpenStudy (anonymous):

Let's say n=1. Plug the number into both equations and see if you get the right one. .

OpenStudy (anonymous):

ok so its d

OpenStudy (anonymous):

no

OpenStudy (anonymous):

I am not supposed to give you just the answer but since -4+11=7. It naturally falls upon you to pick C

OpenStudy (anonymous):

Now don't snitch on me.

OpenStudy (anonymous):

o but guess what somebody did

OpenStudy (anonymous):

ill send you they message i got

OpenStudy (anonymous):

i know

OpenStudy (anonymous):

the

OpenStudy (anonymous):

o ok

OpenStudy (anonymous):

the moderator

OpenStudy (anonymous):

yep

OpenStudy (anonymous):

just be careful

OpenStudy (anonymous):

ok :D

OpenStudy (anonymous):

My friend I need a medal ....XD

OpenStudy (anonymous):

That's your favor forme.

OpenStudy (anonymous):

lol i had forgot lol

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!