QuestionFind the value of $a_{8}=(-1)^{8}(3 \cdot 8+5)$. What is the result? Options: -27, 27, 29, -29.

Studdy Solution
Perform the multiplication.
$$1 \cdot29 =29$$So, $a_{8}=29$.
The result of substituting $8$ for $n$ in the formula $a_{n}=(-1)^{n}(3 n+5)$ is $29$.