Compute $\begin{pmatrix} -3 \\ 5 \end{pmatrix} \cdot \begin{pmatrix} -2 \\ 1 \end{pmatrix}$.
This is a dot product of two vectors, which means I need to multiply the corresponding components and then add them up. So I get $(-3)(-2) + (5)(1)$. That simplifies to $6 + 5 = 11$.

