## Algebra and Trigonometry 10th Edition

Part A: $\begin{bmatrix} 4\\ 7\\ \end{bmatrix}$ = <4, 7> Part B: $\begin{bmatrix} -2\\ 3\\ \end{bmatrix}$ = Part C: $\begin{bmatrix} 8\\ 1\\ \end{bmatrix}$ = <8,1>
First rewrite the vectors as matrices: u = $\begin{bmatrix} 1\\ 5\\ \end{bmatrix}$ v = $\begin{bmatrix} 3\\ 2\\ \end{bmatrix}$ Part A: $\begin{bmatrix} 1+3\\ 5+2\\ \end{bmatrix}$ = $\begin{bmatrix} 4\\ 7\\ \end{bmatrix}$ = <4, 7> Part B: $\begin{bmatrix} 1-3\\ 5-2\\ \end{bmatrix}$ = $\begin{bmatrix} -2\\ 3\\ \end{bmatrix}$ = Part C: $\begin{bmatrix} (3)3 - 1\\ (3)2 - 5\\ \end{bmatrix}$ = $\begin{bmatrix} 8\\ 1\\ \end{bmatrix}$ = <8,1>