Question

Identify the 33rd term of the arithmetic sequence 9, 7 1/2 , 6

Answer 1

For an arithmetic sequence the formula for the nth term is:
$a_{n}=a_{1}+(n-1)d$
Plugging the given values into the formula, we get:
$a_{33}=9+32\times-1.5=-39$
The 33th term is -39.