What is the sum of 50 greatest negative integers?

Answer 1

i got the same question for homework in functions.

tn=a+(n-1)d

-50=-1+(n-1)-1

-50=-1-1n+1

-50=-1n

therefore n=50

plug that into your sum equation...for convenience i used

Sn=50/2 (-1-50)

Sn=25 (-51)

Sn= -1275

hope this helps!