Question

write a recursive formula for the sequence 7 4 1 -2 -5

Answer 1

And then find the next term.

Answer 2

-8 is the next term.

There is a common difference of 3.

Answer 3

You could write the formula as:

(current term) = (previous term) - 3

Answer 4

or
\[x_i = x_{i-1} - 3\] where i is your current index

Answer 5

there's these choices:
an=an-1+3, where a1=7; -8
an=an-1+3, where a1=-3; 22
an=an-1-3, where a1=7; -8
an=an-1-3, where a1= -8; 7

Answer 6

Well the formula I wrote is the same as the formula in options C and D.

\[a_1 = 7\] because that is the first term in your sequence

Answer 7

So it's C.

Answer 8

\[a_n = -8\]

Answer 9

thanks

Answer 10

You're welcome