Practice problem
Let x⃗=[2350]\vec{x} = \begin{bmatrix} 2 \\ 3 \\ 5 \\0\end{bmatrix}x=2350 and y⃗=[9414]\vec{y} = \begin{bmatrix} 9 \\ 4 \\ 1 \\ 4\end{bmatrix}y=9414.
What is x⃗⋅y⃗\vec{x} \cdot \vec{y}x⋅y?
5
13
25
35
Type a concept, like “slope” or “photosynthesis”.