Question

Use the iterative rule to find the 11th term in the sequence.

los de termine delo in the them in the serveret
an = 18 – 2n

Answer 1

-4

Explanation:

The general, nth term, of a sequence is given by the formula:

`a_n=18-2n`

We can plug in n = 1 to find the first term, thus we have:

`a_1=18-2(1)\\a_1=16`

We can plug in n = 2, to the find the 2nd term, which is:

`a_2=18-2(2)\\a_2=14`

Similarly, to get 11th term, we simply plug in n = 11 into the general term rule. so we have:

`a_n=18-2n\\a_(11)=18-2(11)\\a_(11)=18-22\\a_(11)=-4`

11th term is -4