Practice problem
Let x⃗=[271]\vec{x} = \begin{bmatrix} 2 \\ 7 \\ 1 \end{bmatrix}x=271 and y⃗=[5406]\vec{y} = \begin{bmatrix} 5 \\ 40 \\ 6 \end{bmatrix}y=5406.
What is x⃗⋅y⃗\vec{x} \cdot \vec{y}x⋅y?
194
231
296
325
Type a concept, like “slope” or “photosynthesis”.