Practice problem
Given the augmented matrix A=[3458410788647]A=\left[\begin{array}{cc|c}3&4&5\\8&4&10\\7&8&8\\6&4&7\end{array}\right]A=3876448451087 perform the row operation 13 R2+R4⟶R4\frac13\ R_2+R_4\longrightarrow R_431 R2+R4⟶R4.
[34584107882631637]\left[\begin{array}{cc|c}3&4&5\\8&4&10\\7&8&8\\\frac{26}3&\frac{16}3&7\end{array}\right]38732644831651087
[3458410788263163313]\left[\begin{array}{cc|c}3&4&5\\8&4&10\\7&8&8\\\frac{26}3&\frac{16}3&\frac{31}3\end{array}\right]3873264483165108331
[3458343103788263163313]\left[\begin{array}{cc|c}3&4&5\\\frac83&\frac43&\frac{10}3\\7&8&8\\\frac{26}3&\frac{16}3&\frac{31}3\end{array}\right]3387326434831653108331
[345834310378814817]\left[\begin{array}{cc|c}3&4&5\\\frac83&\frac43&\frac{10}3\\7&8&8\\14&8&17\end{array}\right]338714434885310817
Type a concept, like “slope” or “photosynthesis”.
