Question

Find a[12] when a[1]=2 and d=-5

Answer 1

\[Find\ a _{12} when\ a _{1}=2\ and\ d=-5\]

Answer 2

this is an arithmetic sequence of the kind:

A{n} = A{1} + d(n-1)

Answer 3

but how do i solve it

Answer 4

normally by replacing the general stuff with their specific counterparts.

Answer 5

a{12} = 2 + -5(12-1)

Answer 6

ok thanks lt me try it

Answer 7

-53 thank u

Answer 8

looks good to me :)

Answer 9

Thanks a lot I was stuck on this one for a while lol

Answer 10

the recursive stuff looks odd at first, but then you get used to the notation after awhile :)