Practice problem
Which of the following values of xxx, yyy, and zzz would make this equation true? [782]∗[x33−2y272z−5−10]=[12727752]\\\begin{bmatrix}7&8&2\end{bmatrix}*\begin{bmatrix}x&3&3&-2\\y&2&7&2\\z&-5&-1&0\end{bmatrix}\\=\begin{bmatrix}127&27&75&2\end{bmatrix}[782]∗xyz32−537−1−220=[12727752]
x=7, y=10, z=−1x=7,\ y=10,\ z=-1x=7, y=10, z=−1
x=7, y=10, z=−2x=7,\ y=10,\ z=-2x=7, y=10, z=−2
x=5, y=12, z=−2x=5,\ y=12,\ z=-2x=5, y=12, z=−2
x=7, y=12, z=−1x=7,\ y=12,\ z=-1x=7, y=12, z=−1
Type a concept, like “slope” or “photosynthesis”.