aConsider the linear system in the graphic above What is the

a)Consider the linear system in the graphic above

      What is the “relationship” between the first three equations and

      the fourth equation? (Be brief in your answer.)

B)RE a ­: Briefly, why is the system not solvable by linear algebra?

C) -1² = ? (Just answer with a value below)

Solution

a)we get the fourth equation by adding first three equations.

b.)Since we are getting the same equation by solving the first three equations , that means effectively we have three equations only and variables are four so we wont be able to solve.