Question

Find the 1st term of an arithmetic sequence whose common difference is - 9 and whose 101st term is - 902.

Answer 1

Answer:

a = -2

Step-by-step explanation:

Tn = a+(n-1) * d

-902 = a + (101-1) * -9

-902 = a - 900

a = -902 + 900

a = -2