Question

Find an equation for the nth term of the arithmetic sequence.


-17, -12, -7, -2, ...

Answer 1

what is the common difference in the sequence... of what is each term increasing by..?

Answer 2

5n - 22 where n = 1, 2, 3, 4, . . .

Answer 3

then use the formula

\[a_{n} = a_{1} + (n - 1) \times d\]

a1 is the 1st term, d is the common difference n = number of terms...

just substitute the given information and simplify