What is the 31st term in the sequence below? -108,-90,-72,-54

Question

asked Oct 17, 2017 135k views

1 Answer

AntiGMO · Answer 1 · 2017-10-23T22:59:54+0000

add 18 each time
first term is -108

an=a1+d(n-1)
d=common difference
a1=startng term

an=-108+18(n-1)

31 term
a31=-108+18(31-1)
a31=-108+18(30)
a31=-108+540
a31=432

31st term is 432

What is the 31st term in the sequence below? -108,-90,-72,-54

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

Please log in or register to add a comment.

No related questions found

Categories

Other Questions