# Row reduction Help

• Jun 29th 2011, 11:49 AM
kashmoneyrecord
Row reduction Help
Imageshack - linearalgebrahelpproble.jpg

I have two problems that I need help with :( can anyone help me with these two problems?
• Jun 29th 2011, 08:01 PM
Also sprach Zarathustra
Re: Row reduction Help
Quote:

Originally Posted by kashmoneyrecord
Imageshack - linearalgebrahelpproble.jpg

I have two problems that I need help with :( can anyone help me with these two problems?

For $3$, solve $x\begin{Bmatrix}0\\ 1\\ 2\\ 4\end{Bmatrix}+y\begin{Bmatrix}2\\ 0\\ -1\\ 1\end{Bmatrix}=\begin{Bmatrix}a\\ b\\ c\\ d\end{Bmatrix}$

For $4$, solve the system of equations:

$\left\{\begin{matrix}-x+0y+3z=0\\ 0x+y+z=1\\ -x+y+kz=k\end{matrix}\right$.