Question

using gaussian elimination, can anyone walk me through how to solve this ..

Answer 1

\[\left[\begin{matrix}1 & 2\\ 3 & 2\end{matrix}\right]\left(\begin{matrix}a _{1} \\ a _{2}\end{matrix}\right)=-\left(\begin{matrix}2 \\ -4\end{matrix}\right)\]

Answer 2

http://tutorial.math.lamar.edu/classes/de/NonhomogeneousSystems.aspx toward the bottom of example one. i cant figure out how they get the answer they get

Answer 3

isnt gaussian just an augmented matrix going thru rref?

Answer 4

http://www.wolframalpha.com/input/?i=rref%7B%7B1%2C2%2C2%7D%2C%7B3%2C2%2C-4%7D%7D

Answer 5

thanks for showing me this...

Answer 6

youre welcome