Question

Write the explicit
rule for the nth term.
Then find a71.
{O, -8, -16, -24 ...}

Answer 1

Explanation:

{0, -8, -16, -24,...} here you add -8 each time so the rule is

`a_(1) = 0, a_(n) = a_(n-1) -8`

the 71 term is

`a_(71) = 0 + (71 - 1) * (-8) = 70 * (-8) = -560`