Practice problem
Let x⃗=[54203]\vec{x} = \begin{bmatrix} 5 \\ 42 \\ 0 \\3 \end{bmatrix}x=54203 and y⃗=[51341]\vec{y} = \begin{bmatrix} 5 \\ 1 \\ 34 \\ 1 \end{bmatrix}y=51341.
What is x⃗⋅y⃗\vec{x} \cdot \vec{y}x⋅y?
45
70
122
284
Type a concept, like “slope” or “photosynthesis”.
