Practice problem
Let x⃗=[43251]\vec{x} = \begin{bmatrix} 43 \\ 2 \\ 51 \end{bmatrix}x=43251 and y⃗=[0332]\vec{y} = \begin{bmatrix} 0 \\ 33 \\ 2 \end{bmatrix}y=0332.
What is x⃗⋅y⃗\vec{x} \cdot \vec{y}x⋅y?
157
168
213
285
Type a concept, like “slope” or “photosynthesis”.
