-3 3 27] 6 Given A = -4 3 33 and b = 5 describe all solutions to Ax = b in terms of the parameter t. -2 -1 9 -6 x = 3 1 3 0 0 Find the inverse of A A-1 = 1 0 -3 = -9 1 25 5 0-14 -14 0 3 1 1 2 -5 0 1 A-1 = does not exist. Write the system of equations as a single matrix equation: Ax = b 3x1 +8x2 = b -5x1 13x2 = b2 3 8 21 = -5 13 12 b Compute -3 -8 A-1= 5 -13 Compute -3 -8 5 -13 Compute = -6 x b + -5 x b x2 = 17 x b + 14 x b Find an elementary matrix that corresponds to the row operation of adding -8 times Row 1 to Row 3. E = 1 0 0 0 1 0 -8 0 1