Answer:
-66
Step-by-step explanation:
-4n+6
-72+6
-66
might not be right thk
Answer:
- 66
Step-by-step explanation:
The n th term of an arithmetic sequence is
[tex]a_{n}[/tex] = a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Here a₁ = 2 and d = a₂ - a₁ = - 2 - 2 = - 4, thus
[tex]a_{18}[/tex] = 2 + (17 × - 4) = 2 - 68 = - 66
