Practice problem
Let x⃗=[52]\vec{x} = \begin{bmatrix} 5 \\ 2 \end{bmatrix}x=[52] and y⃗=[84]\vec{y} = \begin{bmatrix} 8 \\ 4 \end{bmatrix}y=[84].
What is x⃗⋅y⃗\vec{x} \cdot \vec{y}x⋅y?
48
55
67
14
Type a concept, like “slope” or “photosynthesis”.
