Linear Algebra: Solve the attached system. Here's a matrix calculator for my class. I'm confused by the attached problem b/c it has 4 unknowns. http://www.math.uh.edu/~jmorgan/Matrix/

Question

Linear Algebra:  Solve the attached system.  Here's a matrix calculator for my class.  I'm confused by the attached problem b/c it has 4 unknowns.  http://www.math.uh.edu/~jmorgan/Matrix/

anonymous · Answer

attachment

anonymous · Answer

When I got the last row down to a final variable, I got z = 9/2.  Is that right?

anonymous · Answer

x1 = -1/2, x2 = 3, x3 = 5/2, x4 = 9/2

anonymous · Answer

so...i guess you did it correctly

anonymous · Answer

yay yay yay!!  <jumping up and down>.  Thank you !!

anonymous · Answer

you're welcome.I did nothing...you got it right