Question

Describe the pattern, write the next term, and write a rule for the nth term.

-4,8,-12,16

Answer 1

So these are just multiples of 4, which sign changes. next term is -20, how do I write the rule, though?

Answer 2

@Nnesha @freckles

Answer 3

great and it is alternating

Answer 4

so
you know if we had
4,8,12,16,...
the n-term would be given by 4n correct?

Answer 5

now if you had
-1,1,-1,1,-1,...
then the n-term would be given by (-1)^n

Answer 6

you would use the arithmetic sequence formula right?

Answer 7

see if you can put this together