SOLUTION: TRUE OR FALSE? THE FOLLOWING SYSTEM OF EQUATIONS IS A DEPENDENT SYSTEM. 3X-2Y+Z=12 X-Y+Z=5 -2X+Y=-7

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: TRUE OR FALSE? THE FOLLOWING SYSTEM OF EQUATIONS IS A DEPENDENT SYSTEM. 3X-2Y+Z=12 X-Y+Z=5 -2X+Y=-7      Log On


   

Question 875029: TRUE OR FALSE?
THE FOLLOWING SYSTEM OF EQUATIONS IS A DEPENDENT SYSTEM.
3X-2Y+Z=12
X-Y+Z=5
-2X+Y=-7
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
True, it is dependent.
The determinant of the coefficient matrix equals zero.