The nth term of a sequence is 20 - n2Find the third term of the sequence. Which term in the sequence is the first to have a negative value?
Accepted Solution
A:
Answer:11Fifth termStep-by-step explanation:The third term is:20 β (3)Β² = 11If the term is negative:20 β nΒ² < 0nΒ² > 20n > β20n > 4.47The first term to have a negative value is the fifth term.