Find the projection of the vector $\begin{pmatrix} 1 \\ -2 \end{pmatrix}$ onto the vector $\begin{pmatrix} 8 \\ 1 \end{pmatrix}.$
Question:
Find the projection of the vector $\begin{pmatrix} 1 \\ -2 \end{pmatrix}$ onto the vector $\begin{pmatrix} 8 \\ 1 \end{pmatrix}.$
Answer:
Let's think step by step.

user
\begin{pmatrix} 48/65 \\ 6/65 \end{pmatrix}
Find the projection of the vector $\begin{pmatrix} 1 \\ -2 \end{pmatrix}$ onto the vector $\begin{pmatrix} 8 \\ 1 \end{pmatrix}.$
train