Practice problem
Let x⃗=[5521]\vec{x} = \begin{bmatrix} 5 \\ 52 \\ 1 \end{bmatrix}x=5521 and y⃗=[402]\vec{y} = \begin{bmatrix} 4 \\ 0 \\ 2\end{bmatrix}y=402.
What is x⃗⋅y⃗\vec{x} \cdot \vec{y}x⋅y?
22
34
44
56
Type a concept, like “slope” or “photosynthesis”.
