Question

An arithmetic sequence has a 3rd term equal to 2 and 9th term equal to -10. Find the term of the sequence that has value -112.

Answer 1

Answer:

Step-by-step explanation:

a+2d=2

a+8d=-10

then

if -112 is in the sequence then it will satisfies the equation

-112=a+(n-1)d where n is a natural number