Which rule will find the nth term of the arithmetic sequence
-58, -65, -72, -86, …?

Question

Which rule will find the nth term of the arithmetic sequence
-58, -65, -72, -86, …?

anonymous · Answer

@CrazyMexican816

anonymous · Answer

yeah

anonymous · Answer

Do you know how to do this problem ?

anonymous · Answer

yeah it might take me a few minutes I haven't done a prob like this in a while...

anonymous · Answer

one sec

anonymous · Answer

Alright, thanks so much

anonymous · Answer

Equation for arithmetic sequence 
a{n} = a{1} + d(n - 1) 

Plug in known values 
2 = a{1} + -4(10 - 1) 
2 = a{1} - 36 
38 = a{1} 
a{1} = 38 


Plug d = -4 and a{1} = 38 into 
arithmetic sequence equation 
a{n} = 38 - 4(n - 1)

anonymous · Answer

Hold on let me get the answer choices

anonymous · Answer

... I was kinda confused lol hope i helped

anonymous · Answer

an=-65-7n
an=-65+7n
an=51-7n
an=-51+7n
an=-51-7n

anonymous · Answer

I would try the second to last one

anonymous · Answer

D?

anonymous · Answer

very confused with this one sorry...

anonymous · Answer

It's okay. thanks for helping!!

anonymous · Answer

no prob!