Posted by Anonymous on .
Could someone help me with this problem. Don't seem to understand. Write the augmented matrix of the system:
xy+2z=4
3y+z=5
3xy=4

math 
Reiny,
take a look what they did on this site.
Remember you have 3 variables, so you have to insert zeros for the last two equations
http://www.mathwords.com/a/augmented_matrix.htm